/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/openssl-simplified/s3_srvr_4.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-21 23:17:08,933 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-21 23:17:08,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-21 23:17:08,971 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-21 23:17:08,971 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-21 23:17:08,973 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-21 23:17:08,975 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-21 23:17:08,977 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-21 23:17:08,980 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-21 23:17:08,981 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-21 23:17:08,983 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-21 23:17:08,984 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-21 23:17:08,985 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-21 23:17:08,987 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-21 23:17:08,988 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-21 23:17:08,990 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-21 23:17:09,004 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-21 23:17:09,010 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-21 23:17:09,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-21 23:17:09,020 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-21 23:17:09,024 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-21 23:17:09,028 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-21 23:17:09,030 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-21 23:17:09,031 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-21 23:17:09,038 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-21 23:17:09,047 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-21 23:17:09,048 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-21 23:17:09,049 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-21 23:17:09,051 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-21 23:17:09,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-21 23:17:09,056 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-21 23:17:09,057 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-21 23:17:09,057 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-21 23:17:09,057 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-21 23:17:09,058 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-21 23:17:09,060 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-21 23:17:09,065 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-21 23:17:09,120 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-21 23:17:09,121 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-21 23:17:09,122 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-21 23:17:09,123 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-21 23:17:09,123 INFO L138 SettingsManager]: * Use SBE=true [2020-12-21 23:17:09,123 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-21 23:17:09,123 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-21 23:17:09,124 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-21 23:17:09,124 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-21 23:17:09,124 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-21 23:17:09,124 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-21 23:17:09,125 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-21 23:17:09,125 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-21 23:17:09,125 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-21 23:17:09,125 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-21 23:17:09,126 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-21 23:17:09,126 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-21 23:17:09,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-21 23:17:09,126 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-21 23:17:09,127 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-21 23:17:09,127 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-21 23:17:09,127 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-21 23:17:09,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-21 23:17:09,127 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-21 23:17:09,128 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-21 23:17:09,128 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-21 23:17:09,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-21 23:17:09,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-21 23:17:09,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-21 23:17:09,591 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-21 23:17:09,592 INFO L275 PluginConnector]: CDTParser initialized [2020-12-21 23:17:09,593 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/openssl-simplified/s3_srvr_4.cil.c [2020-12-21 23:17:09,689 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f2651428/6862864f824a4d8dbc136ab972788af8/FLAG5682b0f84 [2020-12-21 23:17:10,456 INFO L306 CDTParser]: Found 1 translation units. [2020-12-21 23:17:10,459 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/openssl-simplified/s3_srvr_4.cil.c [2020-12-21 23:17:10,487 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f2651428/6862864f824a4d8dbc136ab972788af8/FLAG5682b0f84 [2020-12-21 23:17:10,749 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f2651428/6862864f824a4d8dbc136ab972788af8 [2020-12-21 23:17:10,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-21 23:17:10,755 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-21 23:17:10,758 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-21 23:17:10,758 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-21 23:17:10,762 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-21 23:17:10,763 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 11:17:10" (1/1) ... [2020-12-21 23:17:10,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6874b984 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:17:10, skipping insertion in model container [2020-12-21 23:17:10,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 11:17:10" (1/1) ... [2020-12-21 23:17:10,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-21 23:17:10,813 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-21 23:17:11,045 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/openssl-simplified/s3_srvr_4.cil.c[42370,42383] [2020-12-21 23:17:11,054 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-21 23:17:11,075 INFO L203 MainTranslator]: Completed pre-run [2020-12-21 23:17:11,210 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/openssl-simplified/s3_srvr_4.cil.c[42370,42383] [2020-12-21 23:17:11,217 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-21 23:17:11,239 INFO L208 MainTranslator]: Completed translation [2020-12-21 23:17:11,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:17:11 WrapperNode [2020-12-21 23:17:11,240 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-21 23:17:11,242 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-21 23:17:11,242 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-21 23:17:11,242 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-21 23:17:11,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:17:11" (1/1) ... [2020-12-21 23:17:11,268 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:17:11" (1/1) ... [2020-12-21 23:17:11,330 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-21 23:17:11,334 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-21 23:17:11,334 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-21 23:17:11,334 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-21 23:17:11,360 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:17:11" (1/1) ... [2020-12-21 23:17:11,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:17:11" (1/1) ... [2020-12-21 23:17:11,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:17:11" (1/1) ... [2020-12-21 23:17:11,375 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:17:11" (1/1) ... [2020-12-21 23:17:11,397 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:17:11" (1/1) ... [2020-12-21 23:17:11,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:17:11" (1/1) ... [2020-12-21 23:17:11,431 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:17:11" (1/1) ... [2020-12-21 23:17:11,438 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-21 23:17:11,444 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-21 23:17:11,444 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-21 23:17:11,445 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-21 23:17:11,447 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:17:11" (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 23:17:11,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-21 23:17:11,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-21 23:17:11,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-21 23:17:11,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-21 23:17:11,846 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-21 23:17:12,691 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-12-21 23:17:12,691 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-12-21 23:17:12,702 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-21 23:17:12,703 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-21 23:17:12,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 11:17:12 BoogieIcfgContainer [2020-12-21 23:17:12,705 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-21 23:17:12,707 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-21 23:17:12,707 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-21 23:17:12,710 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-21 23:17:12,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 11:17:10" (1/3) ... [2020-12-21 23:17:12,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b82a3db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 11:17:12, skipping insertion in model container [2020-12-21 23:17:12,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:17:11" (2/3) ... [2020-12-21 23:17:12,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b82a3db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 11:17:12, skipping insertion in model container [2020-12-21 23:17:12,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 11:17:12" (3/3) ... [2020-12-21 23:17:12,714 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_4.cil.c [2020-12-21 23:17:12,721 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-21 23:17:12,727 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-21 23:17:12,748 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-21 23:17:12,778 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-21 23:17:12,778 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-21 23:17:12,778 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-21 23:17:12,779 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-21 23:17:12,779 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-21 23:17:12,779 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-21 23:17:12,779 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-21 23:17:12,779 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-21 23:17:12,799 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2020-12-21 23:17:12,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-21 23:17:12,810 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:17:12,811 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 23:17:12,811 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:17:12,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:17:12,818 INFO L82 PathProgramCache]: Analyzing trace with hash 1632005994, now seen corresponding path program 1 times [2020-12-21 23:17:12,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:17:12,830 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639110266] [2020-12-21 23:17:12,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:17:13,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:17:13,192 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 23:17:13,193 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639110266] [2020-12-21 23:17:13,194 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:17:13,194 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:17:13,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606397544] [2020-12-21 23:17:13,201 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:17:13,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:17:13,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:17:13,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:17:13,221 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 3 states. [2020-12-21 23:17:13,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:17:13,782 INFO L93 Difference]: Finished difference Result 328 states and 564 transitions. [2020-12-21 23:17:13,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:17:13,785 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2020-12-21 23:17:13,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:17:13,818 INFO L225 Difference]: With dead ends: 328 [2020-12-21 23:17:13,818 INFO L226 Difference]: Without dead ends: 175 [2020-12-21 23:17:13,829 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 23:17:13,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2020-12-21 23:17:13,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 170. [2020-12-21 23:17:13,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-12-21 23:17:13,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 275 transitions. [2020-12-21 23:17:13,914 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 275 transitions. Word has length 44 [2020-12-21 23:17:13,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:17:13,915 INFO L481 AbstractCegarLoop]: Abstraction has 170 states and 275 transitions. [2020-12-21 23:17:13,915 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:17:13,915 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 275 transitions. [2020-12-21 23:17:13,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-21 23:17:13,924 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:17:13,924 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 23:17:13,925 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-21 23:17:13,925 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:17:13,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:17:13,928 INFO L82 PathProgramCache]: Analyzing trace with hash -954576436, now seen corresponding path program 1 times [2020-12-21 23:17:13,928 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:17:13,928 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261723858] [2020-12-21 23:17:13,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:17:13,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:17:14,033 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 23:17:14,034 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261723858] [2020-12-21 23:17:14,034 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:17:14,034 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:17:14,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532446147] [2020-12-21 23:17:14,036 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:17:14,036 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:17:14,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:17:14,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:17:14,037 INFO L87 Difference]: Start difference. First operand 170 states and 275 transitions. Second operand 3 states. [2020-12-21 23:17:14,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:17:14,415 INFO L93 Difference]: Finished difference Result 380 states and 624 transitions. [2020-12-21 23:17:14,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:17:14,416 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2020-12-21 23:17:14,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:17:14,424 INFO L225 Difference]: With dead ends: 380 [2020-12-21 23:17:14,425 INFO L226 Difference]: Without dead ends: 216 [2020-12-21 23:17:14,430 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 23:17:14,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2020-12-21 23:17:14,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 211. [2020-12-21 23:17:14,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2020-12-21 23:17:14,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 352 transitions. [2020-12-21 23:17:14,472 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 352 transitions. Word has length 45 [2020-12-21 23:17:14,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:17:14,473 INFO L481 AbstractCegarLoop]: Abstraction has 211 states and 352 transitions. [2020-12-21 23:17:14,473 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:17:14,473 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 352 transitions. [2020-12-21 23:17:14,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-21 23:17:14,479 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:17:14,479 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 23:17:14,479 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-21 23:17:14,480 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:17:14,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:17:14,483 INFO L82 PathProgramCache]: Analyzing trace with hash -1754997851, now seen corresponding path program 1 times [2020-12-21 23:17:14,483 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:17:14,483 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816236210] [2020-12-21 23:17:14,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:17:14,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:17:14,596 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 23:17:14,596 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816236210] [2020-12-21 23:17:14,597 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:17:14,597 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:17:14,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823655017] [2020-12-21 23:17:14,598 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:17:14,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:17:14,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:17:14,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:17:14,599 INFO L87 Difference]: Start difference. First operand 211 states and 352 transitions. Second operand 3 states. [2020-12-21 23:17:14,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:17:14,857 INFO L93 Difference]: Finished difference Result 445 states and 750 transitions. [2020-12-21 23:17:14,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:17:14,858 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2020-12-21 23:17:14,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:17:14,860 INFO L225 Difference]: With dead ends: 445 [2020-12-21 23:17:14,860 INFO L226 Difference]: Without dead ends: 242 [2020-12-21 23:17:14,861 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 23:17:14,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2020-12-21 23:17:14,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2020-12-21 23:17:14,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-12-21 23:17:14,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 408 transitions. [2020-12-21 23:17:14,902 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 408 transitions. Word has length 72 [2020-12-21 23:17:14,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:17:14,903 INFO L481 AbstractCegarLoop]: Abstraction has 242 states and 408 transitions. [2020-12-21 23:17:14,903 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:17:14,908 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 408 transitions. [2020-12-21 23:17:14,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-21 23:17:14,911 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:17:14,913 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 23:17:14,914 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-21 23:17:14,914 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:17:14,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:17:14,915 INFO L82 PathProgramCache]: Analyzing trace with hash -479038981, now seen corresponding path program 1 times [2020-12-21 23:17:14,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:17:14,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058054572] [2020-12-21 23:17:14,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:17:14,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:17:15,058 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 23:17:15,058 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058054572] [2020-12-21 23:17:15,059 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:17:15,059 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:17:15,059 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773730708] [2020-12-21 23:17:15,060 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:17:15,060 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:17:15,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:17:15,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:17:15,062 INFO L87 Difference]: Start difference. First operand 242 states and 408 transitions. Second operand 3 states. [2020-12-21 23:17:15,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:17:15,223 INFO L93 Difference]: Finished difference Result 493 states and 832 transitions. [2020-12-21 23:17:15,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:17:15,224 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2020-12-21 23:17:15,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:17:15,225 INFO L225 Difference]: With dead ends: 493 [2020-12-21 23:17:15,226 INFO L226 Difference]: Without dead ends: 259 [2020-12-21 23:17:15,227 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 23:17:15,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2020-12-21 23:17:15,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 257. [2020-12-21 23:17:15,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2020-12-21 23:17:15,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 431 transitions. [2020-12-21 23:17:15,242 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 431 transitions. Word has length 84 [2020-12-21 23:17:15,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:17:15,243 INFO L481 AbstractCegarLoop]: Abstraction has 257 states and 431 transitions. [2020-12-21 23:17:15,243 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:17:15,243 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 431 transitions. [2020-12-21 23:17:15,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-21 23:17:15,244 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:17:15,245 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 23:17:15,245 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-21 23:17:15,246 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:17:15,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:17:15,246 INFO L82 PathProgramCache]: Analyzing trace with hash 1816808322, now seen corresponding path program 1 times [2020-12-21 23:17:15,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:17:15,247 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064169682] [2020-12-21 23:17:15,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:17:15,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:17:15,357 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 23:17:15,357 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064169682] [2020-12-21 23:17:15,357 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:17:15,358 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:17:15,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507359887] [2020-12-21 23:17:15,358 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:17:15,359 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:17:15,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:17:15,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:17:15,360 INFO L87 Difference]: Start difference. First operand 257 states and 431 transitions. Second operand 3 states. [2020-12-21 23:17:15,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:17:15,612 INFO L93 Difference]: Finished difference Result 553 states and 933 transitions. [2020-12-21 23:17:15,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:17:15,613 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2020-12-21 23:17:15,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:17:15,616 INFO L225 Difference]: With dead ends: 553 [2020-12-21 23:17:15,616 INFO L226 Difference]: Without dead ends: 304 [2020-12-21 23:17:15,617 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 23:17:15,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2020-12-21 23:17:15,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 299. [2020-12-21 23:17:15,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-12-21 23:17:15,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 505 transitions. [2020-12-21 23:17:15,648 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 505 transitions. Word has length 84 [2020-12-21 23:17:15,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:17:15,649 INFO L481 AbstractCegarLoop]: Abstraction has 299 states and 505 transitions. [2020-12-21 23:17:15,649 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:17:15,649 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 505 transitions. [2020-12-21 23:17:15,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-12-21 23:17:15,651 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:17:15,651 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 23:17:15,651 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-21 23:17:15,651 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:17:15,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:17:15,652 INFO L82 PathProgramCache]: Analyzing trace with hash -1697148062, now seen corresponding path program 1 times [2020-12-21 23:17:15,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:17:15,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942470278] [2020-12-21 23:17:15,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:17:15,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:17:15,712 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 23:17:15,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942470278] [2020-12-21 23:17:15,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:17:15,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:17:15,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382767666] [2020-12-21 23:17:15,714 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:17:15,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:17:15,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:17:15,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:17:15,715 INFO L87 Difference]: Start difference. First operand 299 states and 505 transitions. Second operand 3 states. [2020-12-21 23:17:15,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:17:15,865 INFO L93 Difference]: Finished difference Result 592 states and 1000 transitions. [2020-12-21 23:17:15,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:17:15,866 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2020-12-21 23:17:15,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:17:15,868 INFO L225 Difference]: With dead ends: 592 [2020-12-21 23:17:15,869 INFO L226 Difference]: Without dead ends: 301 [2020-12-21 23:17:15,870 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 23:17:15,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2020-12-21 23:17:15,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 299. [2020-12-21 23:17:15,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-12-21 23:17:15,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 501 transitions. [2020-12-21 23:17:15,883 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 501 transitions. Word has length 85 [2020-12-21 23:17:15,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:17:15,883 INFO L481 AbstractCegarLoop]: Abstraction has 299 states and 501 transitions. [2020-12-21 23:17:15,883 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:17:15,883 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 501 transitions. [2020-12-21 23:17:15,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-12-21 23:17:15,885 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:17:15,885 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 23:17:15,885 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-21 23:17:15,886 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:17:15,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:17:15,886 INFO L82 PathProgramCache]: Analyzing trace with hash -1432172412, now seen corresponding path program 1 times [2020-12-21 23:17:15,887 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:17:15,887 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477464180] [2020-12-21 23:17:15,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:17:15,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:17:15,951 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 23:17:15,951 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477464180] [2020-12-21 23:17:15,952 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:17:15,952 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:17:15,952 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811147200] [2020-12-21 23:17:15,953 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:17:15,953 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:17:15,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:17:15,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:17:15,954 INFO L87 Difference]: Start difference. First operand 299 states and 501 transitions. Second operand 3 states. [2020-12-21 23:17:16,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:17:16,183 INFO L93 Difference]: Finished difference Result 595 states and 997 transitions. [2020-12-21 23:17:16,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:17:16,183 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2020-12-21 23:17:16,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:17:16,186 INFO L225 Difference]: With dead ends: 595 [2020-12-21 23:17:16,186 INFO L226 Difference]: Without dead ends: 302 [2020-12-21 23:17:16,187 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 23:17:16,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-12-21 23:17:16,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 297. [2020-12-21 23:17:16,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2020-12-21 23:17:16,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 496 transitions. [2020-12-21 23:17:16,200 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 496 transitions. Word has length 85 [2020-12-21 23:17:16,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:17:16,201 INFO L481 AbstractCegarLoop]: Abstraction has 297 states and 496 transitions. [2020-12-21 23:17:16,201 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:17:16,201 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 496 transitions. [2020-12-21 23:17:16,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-12-21 23:17:16,203 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:17:16,203 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, 1] [2020-12-21 23:17:16,203 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-21 23:17:16,203 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:17:16,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:17:16,204 INFO L82 PathProgramCache]: Analyzing trace with hash -1085183485, now seen corresponding path program 1 times [2020-12-21 23:17:16,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:17:16,205 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870685637] [2020-12-21 23:17:16,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:17:16,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:17:16,260 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 23:17:16,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870685637] [2020-12-21 23:17:16,261 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:17:16,261 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:17:16,262 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406382522] [2020-12-21 23:17:16,262 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:17:16,262 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:17:16,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:17:16,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:17:16,263 INFO L87 Difference]: Start difference. First operand 297 states and 496 transitions. Second operand 3 states. [2020-12-21 23:17:16,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:17:16,415 INFO L93 Difference]: Finished difference Result 595 states and 992 transitions. [2020-12-21 23:17:16,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:17:16,416 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2020-12-21 23:17:16,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:17:16,418 INFO L225 Difference]: With dead ends: 595 [2020-12-21 23:17:16,418 INFO L226 Difference]: Without dead ends: 306 [2020-12-21 23:17:16,419 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 23:17:16,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2020-12-21 23:17:16,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 306. [2020-12-21 23:17:16,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2020-12-21 23:17:16,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 502 transitions. [2020-12-21 23:17:16,432 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 502 transitions. Word has length 97 [2020-12-21 23:17:16,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:17:16,432 INFO L481 AbstractCegarLoop]: Abstraction has 306 states and 502 transitions. [2020-12-21 23:17:16,432 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:17:16,433 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 502 transitions. [2020-12-21 23:17:16,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-12-21 23:17:16,434 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:17:16,434 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 23:17:16,435 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-21 23:17:16,435 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:17:16,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:17:16,435 INFO L82 PathProgramCache]: Analyzing trace with hash -860132162, now seen corresponding path program 1 times [2020-12-21 23:17:16,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:17:16,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899791410] [2020-12-21 23:17:16,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:17:16,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:17:16,485 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 23:17:16,485 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899791410] [2020-12-21 23:17:16,486 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:17:16,486 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:17:16,486 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013421680] [2020-12-21 23:17:16,487 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:17:16,487 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:17:16,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:17:16,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:17:16,488 INFO L87 Difference]: Start difference. First operand 306 states and 502 transitions. Second operand 3 states. [2020-12-21 23:17:16,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:17:16,667 INFO L93 Difference]: Finished difference Result 635 states and 1045 transitions. [2020-12-21 23:17:16,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:17:16,668 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-12-21 23:17:16,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:17:16,670 INFO L225 Difference]: With dead ends: 635 [2020-12-21 23:17:16,671 INFO L226 Difference]: Without dead ends: 337 [2020-12-21 23:17:16,672 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 23:17:16,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2020-12-21 23:17:16,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 335. [2020-12-21 23:17:16,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 335 states. [2020-12-21 23:17:16,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 549 transitions. [2020-12-21 23:17:16,686 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 549 transitions. Word has length 98 [2020-12-21 23:17:16,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:17:16,687 INFO L481 AbstractCegarLoop]: Abstraction has 335 states and 549 transitions. [2020-12-21 23:17:16,687 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:17:16,687 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 549 transitions. [2020-12-21 23:17:16,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-12-21 23:17:16,689 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:17:16,689 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 23:17:16,689 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-21 23:17:16,690 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:17:16,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:17:16,690 INFO L82 PathProgramCache]: Analyzing trace with hash 1120928325, now seen corresponding path program 1 times [2020-12-21 23:17:16,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:17:16,691 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590503716] [2020-12-21 23:17:16,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:17:16,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:17:16,746 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 23:17:16,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590503716] [2020-12-21 23:17:16,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:17:16,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:17:16,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509619624] [2020-12-21 23:17:16,748 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:17:16,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:17:16,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:17:16,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:17:16,753 INFO L87 Difference]: Start difference. First operand 335 states and 549 transitions. Second operand 3 states. [2020-12-21 23:17:16,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:17:16,964 INFO L93 Difference]: Finished difference Result 664 states and 1088 transitions. [2020-12-21 23:17:16,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:17:16,965 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2020-12-21 23:17:16,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:17:16,968 INFO L225 Difference]: With dead ends: 664 [2020-12-21 23:17:16,968 INFO L226 Difference]: Without dead ends: 337 [2020-12-21 23:17:16,969 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 23:17:16,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2020-12-21 23:17:16,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 335. [2020-12-21 23:17:16,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 335 states. [2020-12-21 23:17:16,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 545 transitions. [2020-12-21 23:17:16,983 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 545 transitions. Word has length 99 [2020-12-21 23:17:16,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:17:16,983 INFO L481 AbstractCegarLoop]: Abstraction has 335 states and 545 transitions. [2020-12-21 23:17:16,983 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:17:16,983 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 545 transitions. [2020-12-21 23:17:16,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-12-21 23:17:16,985 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:17:16,985 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, 1] [2020-12-21 23:17:16,986 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-21 23:17:16,986 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:17:16,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:17:16,986 INFO L82 PathProgramCache]: Analyzing trace with hash -1084775058, now seen corresponding path program 1 times [2020-12-21 23:17:16,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:17:16,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115431826] [2020-12-21 23:17:16,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:17:16,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:17:17,030 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 23:17:17,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115431826] [2020-12-21 23:17:17,030 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:17:17,031 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:17:17,031 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867740796] [2020-12-21 23:17:17,031 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:17:17,031 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:17:17,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:17:17,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:17:17,032 INFO L87 Difference]: Start difference. First operand 335 states and 545 transitions. Second operand 3 states. [2020-12-21 23:17:17,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:17:17,209 INFO L93 Difference]: Finished difference Result 697 states and 1138 transitions. [2020-12-21 23:17:17,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:17:17,209 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2020-12-21 23:17:17,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:17:17,212 INFO L225 Difference]: With dead ends: 697 [2020-12-21 23:17:17,212 INFO L226 Difference]: Without dead ends: 370 [2020-12-21 23:17:17,213 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 23:17:17,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2020-12-21 23:17:17,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 362. [2020-12-21 23:17:17,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 362 states. [2020-12-21 23:17:17,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 587 transitions. [2020-12-21 23:17:17,228 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 587 transitions. Word has length 100 [2020-12-21 23:17:17,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:17:17,228 INFO L481 AbstractCegarLoop]: Abstraction has 362 states and 587 transitions. [2020-12-21 23:17:17,228 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:17:17,229 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 587 transitions. [2020-12-21 23:17:17,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-12-21 23:17:17,230 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:17:17,230 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, 1] [2020-12-21 23:17:17,230 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-21 23:17:17,231 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:17:17,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:17:17,231 INFO L82 PathProgramCache]: Analyzing trace with hash -1691577195, now seen corresponding path program 1 times [2020-12-21 23:17:17,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:17:17,232 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62963358] [2020-12-21 23:17:17,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:17:17,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:17:17,274 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 23:17:17,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62963358] [2020-12-21 23:17:17,274 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:17:17,275 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:17:17,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807125196] [2020-12-21 23:17:17,275 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:17:17,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:17:17,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:17:17,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:17:17,276 INFO L87 Difference]: Start difference. First operand 362 states and 587 transitions. Second operand 3 states. [2020-12-21 23:17:17,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:17:17,488 INFO L93 Difference]: Finished difference Result 724 states and 1175 transitions. [2020-12-21 23:17:17,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:17:17,489 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 101 [2020-12-21 23:17:17,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:17:17,492 INFO L225 Difference]: With dead ends: 724 [2020-12-21 23:17:17,492 INFO L226 Difference]: Without dead ends: 370 [2020-12-21 23:17:17,493 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 23:17:17,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2020-12-21 23:17:17,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 362. [2020-12-21 23:17:17,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 362 states. [2020-12-21 23:17:17,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 582 transitions. [2020-12-21 23:17:17,512 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 582 transitions. Word has length 101 [2020-12-21 23:17:17,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:17:17,513 INFO L481 AbstractCegarLoop]: Abstraction has 362 states and 582 transitions. [2020-12-21 23:17:17,513 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:17:17,513 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 582 transitions. [2020-12-21 23:17:17,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-12-21 23:17:17,516 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:17:17,517 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 23:17:17,517 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-21 23:17:17,517 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:17:17,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:17:17,518 INFO L82 PathProgramCache]: Analyzing trace with hash -479008336, now seen corresponding path program 1 times [2020-12-21 23:17:17,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:17:17,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390303923] [2020-12-21 23:17:17,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:17:17,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:17:17,642 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 23:17:17,642 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390303923] [2020-12-21 23:17:17,643 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:17:17,643 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:17:17,643 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111144043] [2020-12-21 23:17:17,644 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:17:17,644 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:17:17,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:17:17,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:17:17,645 INFO L87 Difference]: Start difference. First operand 362 states and 582 transitions. Second operand 3 states. [2020-12-21 23:17:17,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:17:17,888 INFO L93 Difference]: Finished difference Result 741 states and 1193 transitions. [2020-12-21 23:17:17,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:17:17,889 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2020-12-21 23:17:17,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:17:17,892 INFO L225 Difference]: With dead ends: 741 [2020-12-21 23:17:17,892 INFO L226 Difference]: Without dead ends: 387 [2020-12-21 23:17:17,893 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 23:17:17,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2020-12-21 23:17:17,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 383. [2020-12-21 23:17:17,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2020-12-21 23:17:17,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 611 transitions. [2020-12-21 23:17:17,918 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 611 transitions. Word has length 105 [2020-12-21 23:17:17,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:17:17,918 INFO L481 AbstractCegarLoop]: Abstraction has 383 states and 611 transitions. [2020-12-21 23:17:17,918 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:17:17,918 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 611 transitions. [2020-12-21 23:17:17,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-12-21 23:17:17,920 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:17:17,920 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 23:17:17,920 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-21 23:17:17,921 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:17:17,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:17:17,921 INFO L82 PathProgramCache]: Analyzing trace with hash 2118869193, now seen corresponding path program 1 times [2020-12-21 23:17:17,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:17:17,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512039799] [2020-12-21 23:17:17,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:17:17,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:17:17,973 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 23:17:17,974 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512039799] [2020-12-21 23:17:17,974 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:17:17,974 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:17:17,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669761606] [2020-12-21 23:17:17,975 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:17:17,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:17:17,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:17:17,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:17:17,977 INFO L87 Difference]: Start difference. First operand 383 states and 611 transitions. Second operand 3 states. [2020-12-21 23:17:18,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:17:18,187 INFO L93 Difference]: Finished difference Result 762 states and 1216 transitions. [2020-12-21 23:17:18,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:17:18,188 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2020-12-21 23:17:18,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:17:18,191 INFO L225 Difference]: With dead ends: 762 [2020-12-21 23:17:18,191 INFO L226 Difference]: Without dead ends: 387 [2020-12-21 23:17:18,192 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 23:17:18,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2020-12-21 23:17:18,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 383. [2020-12-21 23:17:18,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2020-12-21 23:17:18,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 605 transitions. [2020-12-21 23:17:18,208 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 605 transitions. Word has length 106 [2020-12-21 23:17:18,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:17:18,209 INFO L481 AbstractCegarLoop]: Abstraction has 383 states and 605 transitions. [2020-12-21 23:17:18,209 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:17:18,209 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 605 transitions. [2020-12-21 23:17:18,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-21 23:17:18,211 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:17:18,211 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 23:17:18,211 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-21 23:17:18,211 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:17:18,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:17:18,212 INFO L82 PathProgramCache]: Analyzing trace with hash 1932137040, now seen corresponding path program 1 times [2020-12-21 23:17:18,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:17:18,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485314892] [2020-12-21 23:17:18,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:17:18,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:17:18,274 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 23:17:18,275 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485314892] [2020-12-21 23:17:18,275 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:17:18,275 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:17:18,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514180801] [2020-12-21 23:17:18,276 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:17:18,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:17:18,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:17:18,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:17:18,277 INFO L87 Difference]: Start difference. First operand 383 states and 605 transitions. Second operand 3 states. [2020-12-21 23:17:18,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:17:18,334 INFO L93 Difference]: Finished difference Result 758 states and 1198 transitions. [2020-12-21 23:17:18,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:17:18,335 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-12-21 23:17:18,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:17:18,339 INFO L225 Difference]: With dead ends: 758 [2020-12-21 23:17:18,339 INFO L226 Difference]: Without dead ends: 756 [2020-12-21 23:17:18,340 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 23:17:18,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2020-12-21 23:17:18,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 756. [2020-12-21 23:17:18,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 756 states. [2020-12-21 23:17:18,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 756 states and 1196 transitions. [2020-12-21 23:17:18,404 INFO L78 Accepts]: Start accepts. Automaton has 756 states and 1196 transitions. Word has length 121 [2020-12-21 23:17:18,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:17:18,405 INFO L481 AbstractCegarLoop]: Abstraction has 756 states and 1196 transitions. [2020-12-21 23:17:18,405 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:17:18,405 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 1196 transitions. [2020-12-21 23:17:18,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-12-21 23:17:18,408 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:17:18,408 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, 1] [2020-12-21 23:17:18,408 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-21 23:17:18,408 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:17:18,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:17:18,409 INFO L82 PathProgramCache]: Analyzing trace with hash -1552830339, now seen corresponding path program 1 times [2020-12-21 23:17:18,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:17:18,409 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416234916] [2020-12-21 23:17:18,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:17:18,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:17:18,467 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 23:17:18,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416234916] [2020-12-21 23:17:18,467 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:17:18,468 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:17:18,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316516290] [2020-12-21 23:17:18,468 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:17:18,468 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:17:18,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:17:18,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:17:18,469 INFO L87 Difference]: Start difference. First operand 756 states and 1196 transitions. Second operand 3 states. [2020-12-21 23:17:18,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:17:18,539 INFO L93 Difference]: Finished difference Result 1832 states and 2900 transitions. [2020-12-21 23:17:18,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:17:18,540 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2020-12-21 23:17:18,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:17:18,546 INFO L225 Difference]: With dead ends: 1832 [2020-12-21 23:17:18,546 INFO L226 Difference]: Without dead ends: 1084 [2020-12-21 23:17:18,548 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 23:17:18,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2020-12-21 23:17:18,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 1084. [2020-12-21 23:17:18,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1084 states. [2020-12-21 23:17:18,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 1713 transitions. [2020-12-21 23:17:18,600 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 1713 transitions. Word has length 122 [2020-12-21 23:17:18,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:17:18,600 INFO L481 AbstractCegarLoop]: Abstraction has 1084 states and 1713 transitions. [2020-12-21 23:17:18,600 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:17:18,600 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1713 transitions. [2020-12-21 23:17:18,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-12-21 23:17:18,603 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:17:18,604 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, 1] [2020-12-21 23:17:18,604 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-21 23:17:18,604 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:17:18,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:17:18,605 INFO L82 PathProgramCache]: Analyzing trace with hash 323652479, now seen corresponding path program 1 times [2020-12-21 23:17:18,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:17:18,605 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32444870] [2020-12-21 23:17:18,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:17:18,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:17:18,652 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-12-21 23:17:18,653 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32444870] [2020-12-21 23:17:18,653 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:17:18,653 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:17:18,654 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197444691] [2020-12-21 23:17:18,654 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:17:18,654 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:17:18,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:17:18,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:17:18,655 INFO L87 Difference]: Start difference. First operand 1084 states and 1713 transitions. Second operand 3 states. [2020-12-21 23:17:18,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:17:18,740 INFO L93 Difference]: Finished difference Result 2529 states and 4000 transitions. [2020-12-21 23:17:18,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:17:18,740 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2020-12-21 23:17:18,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:17:18,748 INFO L225 Difference]: With dead ends: 2529 [2020-12-21 23:17:18,749 INFO L226 Difference]: Without dead ends: 1453 [2020-12-21 23:17:18,751 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 23:17:18,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2020-12-21 23:17:18,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2020-12-21 23:17:18,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1453 states. [2020-12-21 23:17:18,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2295 transitions. [2020-12-21 23:17:18,815 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2295 transitions. Word has length 122 [2020-12-21 23:17:18,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:17:18,815 INFO L481 AbstractCegarLoop]: Abstraction has 1453 states and 2295 transitions. [2020-12-21 23:17:18,816 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:17:18,816 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2295 transitions. [2020-12-21 23:17:18,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-12-21 23:17:18,819 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:17:18,820 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, 1] [2020-12-21 23:17:18,820 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-21 23:17:18,820 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:17:18,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:17:18,821 INFO L82 PathProgramCache]: Analyzing trace with hash 1712946493, now seen corresponding path program 1 times [2020-12-21 23:17:18,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:17:18,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737440185] [2020-12-21 23:17:18,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:17:18,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:17:18,893 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-12-21 23:17:18,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737440185] [2020-12-21 23:17:18,893 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:17:18,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:17:18,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906368504] [2020-12-21 23:17:18,894 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:17:18,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:17:18,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:17:18,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:17:18,895 INFO L87 Difference]: Start difference. First operand 1453 states and 2295 transitions. Second operand 3 states. [2020-12-21 23:17:18,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:17:18,990 INFO L93 Difference]: Finished difference Result 3249 states and 5133 transitions. [2020-12-21 23:17:18,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:17:18,990 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2020-12-21 23:17:18,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:17:19,001 INFO L225 Difference]: With dead ends: 3249 [2020-12-21 23:17:19,001 INFO L226 Difference]: Without dead ends: 1804 [2020-12-21 23:17:19,004 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 23:17:19,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1804 states. [2020-12-21 23:17:19,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1804 to 1804. [2020-12-21 23:17:19,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1804 states. [2020-12-21 23:17:19,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 1804 states and 2846 transitions. [2020-12-21 23:17:19,083 INFO L78 Accepts]: Start accepts. Automaton has 1804 states and 2846 transitions. Word has length 122 [2020-12-21 23:17:19,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:17:19,083 INFO L481 AbstractCegarLoop]: Abstraction has 1804 states and 2846 transitions. [2020-12-21 23:17:19,083 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:17:19,083 INFO L276 IsEmpty]: Start isEmpty. Operand 1804 states and 2846 transitions. [2020-12-21 23:17:19,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-12-21 23:17:19,089 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:17:19,090 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 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, 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 23:17:19,090 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-21 23:17:19,090 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:17:19,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:17:19,091 INFO L82 PathProgramCache]: Analyzing trace with hash -1532697181, now seen corresponding path program 1 times [2020-12-21 23:17:19,091 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:17:19,091 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640727943] [2020-12-21 23:17:19,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:17:19,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:17:19,167 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 256 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2020-12-21 23:17:19,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640727943] [2020-12-21 23:17:19,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:17:19,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:17:19,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127536366] [2020-12-21 23:17:19,169 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:17:19,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:17:19,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:17:19,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:17:19,170 INFO L87 Difference]: Start difference. First operand 1804 states and 2846 transitions. Second operand 3 states. [2020-12-21 23:17:19,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:17:19,471 INFO L93 Difference]: Finished difference Result 3650 states and 5740 transitions. [2020-12-21 23:17:19,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:17:19,472 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 199 [2020-12-21 23:17:19,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:17:19,482 INFO L225 Difference]: With dead ends: 3650 [2020-12-21 23:17:19,482 INFO L226 Difference]: Without dead ends: 1854 [2020-12-21 23:17:19,486 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 23:17:19,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1854 states. [2020-12-21 23:17:19,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1854 to 1804. [2020-12-21 23:17:19,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1804 states. [2020-12-21 23:17:19,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 1804 states and 2774 transitions. [2020-12-21 23:17:19,568 INFO L78 Accepts]: Start accepts. Automaton has 1804 states and 2774 transitions. Word has length 199 [2020-12-21 23:17:19,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:17:19,569 INFO L481 AbstractCegarLoop]: Abstraction has 1804 states and 2774 transitions. [2020-12-21 23:17:19,569 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:17:19,569 INFO L276 IsEmpty]: Start isEmpty. Operand 1804 states and 2774 transitions. [2020-12-21 23:17:19,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-12-21 23:17:19,575 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:17:19,575 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 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, 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 23:17:19,575 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-21 23:17:19,575 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:17:19,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:17:19,576 INFO L82 PathProgramCache]: Analyzing trace with hash -995291011, now seen corresponding path program 1 times [2020-12-21 23:17:19,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:17:19,576 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982379205] [2020-12-21 23:17:19,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:17:19,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:17:19,654 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-12-21 23:17:19,654 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982379205] [2020-12-21 23:17:19,654 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:17:19,655 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:17:19,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552995350] [2020-12-21 23:17:19,655 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:17:19,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:17:19,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:17:19,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:17:19,656 INFO L87 Difference]: Start difference. First operand 1804 states and 2774 transitions. Second operand 3 states. [2020-12-21 23:17:19,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:17:19,958 INFO L93 Difference]: Finished difference Result 3667 states and 5613 transitions. [2020-12-21 23:17:19,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:17:19,959 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 213 [2020-12-21 23:17:19,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:17:19,971 INFO L225 Difference]: With dead ends: 3667 [2020-12-21 23:17:19,972 INFO L226 Difference]: Without dead ends: 1871 [2020-12-21 23:17:19,975 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 23:17:19,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1871 states. [2020-12-21 23:17:20,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1871 to 1804. [2020-12-21 23:17:20,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1804 states. [2020-12-21 23:17:20,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 1804 states and 2698 transitions. [2020-12-21 23:17:20,074 INFO L78 Accepts]: Start accepts. Automaton has 1804 states and 2698 transitions. Word has length 213 [2020-12-21 23:17:20,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:17:20,074 INFO L481 AbstractCegarLoop]: Abstraction has 1804 states and 2698 transitions. [2020-12-21 23:17:20,075 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:17:20,075 INFO L276 IsEmpty]: Start isEmpty. Operand 1804 states and 2698 transitions. [2020-12-21 23:17:20,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-12-21 23:17:20,083 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:17:20,084 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, 4, 4, 4, 4, 4, 4, 4, 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] [2020-12-21 23:17:20,084 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-21 23:17:20,084 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:17:20,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:17:20,085 INFO L82 PathProgramCache]: Analyzing trace with hash -344869126, now seen corresponding path program 1 times [2020-12-21 23:17:20,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:17:20,087 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858750357] [2020-12-21 23:17:20,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:17:20,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:17:20,245 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 343 proven. 26 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-12-21 23:17:20,245 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858750357] [2020-12-21 23:17:20,245 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064123391] [2020-12-21 23:17:20,245 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 23:17:20,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:17:20,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-21 23:17:20,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-21 23:17:20,777 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 343 proven. 26 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-12-21 23:17:20,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-21 23:17:20,779 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-12-21 23:17:20,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030527619] [2020-12-21 23:17:20,780 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-21 23:17:20,780 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:17:20,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-21 23:17:20,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-21 23:17:20,784 INFO L87 Difference]: Start difference. First operand 1804 states and 2698 transitions. Second operand 4 states. [2020-12-21 23:17:21,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:17:21,228 INFO L93 Difference]: Finished difference Result 4265 states and 6329 transitions. [2020-12-21 23:17:21,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-21 23:17:21,229 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 232 [2020-12-21 23:17:21,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:17:21,244 INFO L225 Difference]: With dead ends: 4265 [2020-12-21 23:17:21,244 INFO L226 Difference]: Without dead ends: 2436 [2020-12-21 23:17:21,247 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 234 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 23:17:21,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2436 states. [2020-12-21 23:17:21,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2436 to 1604. [2020-12-21 23:17:21,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1604 states. [2020-12-21 23:17:21,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1604 states and 2362 transitions. [2020-12-21 23:17:21,333 INFO L78 Accepts]: Start accepts. Automaton has 1604 states and 2362 transitions. Word has length 232 [2020-12-21 23:17:21,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:17:21,334 INFO L481 AbstractCegarLoop]: Abstraction has 1604 states and 2362 transitions. [2020-12-21 23:17:21,334 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-21 23:17:21,334 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 2362 transitions. [2020-12-21 23:17:21,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-12-21 23:17:21,340 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:17:21,340 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-12-21 23:17:21,554 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2020-12-21 23:17:21,555 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:17:21,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:17:21,555 INFO L82 PathProgramCache]: Analyzing trace with hash -1731638989, now seen corresponding path program 1 times [2020-12-21 23:17:21,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:17:21,556 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413306964] [2020-12-21 23:17:21,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:17:21,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:17:21,696 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 359 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2020-12-21 23:17:21,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413306964] [2020-12-21 23:17:21,697 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:17:21,697 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:17:21,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627391597] [2020-12-21 23:17:21,698 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:17:21,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:17:21,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:17:21,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:17:21,699 INFO L87 Difference]: Start difference. First operand 1604 states and 2362 transitions. Second operand 3 states. [2020-12-21 23:17:21,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:17:21,929 INFO L93 Difference]: Finished difference Result 3395 states and 5017 transitions. [2020-12-21 23:17:21,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:17:21,930 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 241 [2020-12-21 23:17:21,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:17:21,939 INFO L225 Difference]: With dead ends: 3395 [2020-12-21 23:17:21,939 INFO L226 Difference]: Without dead ends: 1679 [2020-12-21 23:17:21,943 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 23:17:21,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1679 states. [2020-12-21 23:17:22,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1679 to 1679. [2020-12-21 23:17:22,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1679 states. [2020-12-21 23:17:22,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1679 states to 1679 states and 2427 transitions. [2020-12-21 23:17:22,018 INFO L78 Accepts]: Start accepts. Automaton has 1679 states and 2427 transitions. Word has length 241 [2020-12-21 23:17:22,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:17:22,018 INFO L481 AbstractCegarLoop]: Abstraction has 1679 states and 2427 transitions. [2020-12-21 23:17:22,018 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:17:22,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1679 states and 2427 transitions. [2020-12-21 23:17:22,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2020-12-21 23:17:22,024 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:17:22,025 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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] [2020-12-21 23:17:22,025 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-21 23:17:22,025 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:17:22,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:17:22,026 INFO L82 PathProgramCache]: Analyzing trace with hash 1272517136, now seen corresponding path program 1 times [2020-12-21 23:17:22,026 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:17:22,026 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539461711] [2020-12-21 23:17:22,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:17:22,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:17:22,160 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2020-12-21 23:17:22,160 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539461711] [2020-12-21 23:17:22,161 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1508514730] [2020-12-21 23:17:22,161 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 23:17:22,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:17:22,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-21 23:17:22,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-21 23:17:22,530 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2020-12-21 23:17:22,530 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-21 23:17:22,530 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-12-21 23:17:22,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865021747] [2020-12-21 23:17:22,531 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-21 23:17:22,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:17:22,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-21 23:17:22,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-21 23:17:22,532 INFO L87 Difference]: Start difference. First operand 1679 states and 2427 transitions. Second operand 4 states. [2020-12-21 23:17:23,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:17:23,053 INFO L93 Difference]: Finished difference Result 5320 states and 7733 transitions. [2020-12-21 23:17:23,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-21 23:17:23,054 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 253 [2020-12-21 23:17:23,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:17:23,075 INFO L225 Difference]: With dead ends: 5320 [2020-12-21 23:17:23,076 INFO L226 Difference]: Without dead ends: 3649 [2020-12-21 23:17:23,080 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 255 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 23:17:23,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3649 states. [2020-12-21 23:17:23,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3649 to 2004. [2020-12-21 23:17:23,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2004 states. [2020-12-21 23:17:23,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2004 states to 2004 states and 2729 transitions. [2020-12-21 23:17:23,189 INFO L78 Accepts]: Start accepts. Automaton has 2004 states and 2729 transitions. Word has length 253 [2020-12-21 23:17:23,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:17:23,190 INFO L481 AbstractCegarLoop]: Abstraction has 2004 states and 2729 transitions. [2020-12-21 23:17:23,190 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-21 23:17:23,190 INFO L276 IsEmpty]: Start isEmpty. Operand 2004 states and 2729 transitions. [2020-12-21 23:17:23,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2020-12-21 23:17:23,196 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:17:23,197 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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] [2020-12-21 23:17:23,410 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2020-12-21 23:17:23,411 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:17:23,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:17:23,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1561336526, now seen corresponding path program 1 times [2020-12-21 23:17:23,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:17:23,413 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112372900] [2020-12-21 23:17:23,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:17:23,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:17:23,528 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 400 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2020-12-21 23:17:23,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112372900] [2020-12-21 23:17:23,529 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:17:23,529 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:17:23,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180453629] [2020-12-21 23:17:23,530 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:17:23,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:17:23,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:17:23,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:17:23,531 INFO L87 Difference]: Start difference. First operand 2004 states and 2729 transitions. Second operand 3 states. [2020-12-21 23:17:23,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:17:23,672 INFO L93 Difference]: Finished difference Result 5742 states and 7864 transitions. [2020-12-21 23:17:23,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:17:23,672 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 253 [2020-12-21 23:17:23,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:17:23,691 INFO L225 Difference]: With dead ends: 5742 [2020-12-21 23:17:23,691 INFO L226 Difference]: Without dead ends: 3746 [2020-12-21 23:17:23,695 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 23:17:23,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3746 states. [2020-12-21 23:17:23,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3746 to 3744. [2020-12-21 23:17:23,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3744 states. [2020-12-21 23:17:23,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3744 states to 3744 states and 5134 transitions. [2020-12-21 23:17:23,851 INFO L78 Accepts]: Start accepts. Automaton has 3744 states and 5134 transitions. Word has length 253 [2020-12-21 23:17:23,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:17:23,851 INFO L481 AbstractCegarLoop]: Abstraction has 3744 states and 5134 transitions. [2020-12-21 23:17:23,851 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:17:23,852 INFO L276 IsEmpty]: Start isEmpty. Operand 3744 states and 5134 transitions. [2020-12-21 23:17:23,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2020-12-21 23:17:23,861 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:17:23,862 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-12-21 23:17:23,862 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-21 23:17:23,862 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:17:23,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:17:23,863 INFO L82 PathProgramCache]: Analyzing trace with hash -914284920, now seen corresponding path program 1 times [2020-12-21 23:17:23,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:17:23,863 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026520006] [2020-12-21 23:17:23,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:17:23,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:17:23,956 INFO L134 CoverageAnalysis]: Checked inductivity of 580 backedges. 374 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2020-12-21 23:17:23,956 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026520006] [2020-12-21 23:17:23,956 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:17:23,956 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:17:23,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127064016] [2020-12-21 23:17:23,957 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:17:23,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:17:23,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:17:23,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:17:23,958 INFO L87 Difference]: Start difference. First operand 3744 states and 5134 transitions. Second operand 3 states. [2020-12-21 23:17:24,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:17:24,231 INFO L93 Difference]: Finished difference Result 7698 states and 10554 transitions. [2020-12-21 23:17:24,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:17:24,232 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 256 [2020-12-21 23:17:24,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:17:24,243 INFO L225 Difference]: With dead ends: 7698 [2020-12-21 23:17:24,243 INFO L226 Difference]: Without dead ends: 3962 [2020-12-21 23:17:24,249 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 23:17:24,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3962 states. [2020-12-21 23:17:24,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3962 to 3744. [2020-12-21 23:17:24,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3744 states. [2020-12-21 23:17:24,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3744 states to 3744 states and 5030 transitions. [2020-12-21 23:17:24,446 INFO L78 Accepts]: Start accepts. Automaton has 3744 states and 5030 transitions. Word has length 256 [2020-12-21 23:17:24,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:17:24,446 INFO L481 AbstractCegarLoop]: Abstraction has 3744 states and 5030 transitions. [2020-12-21 23:17:24,446 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:17:24,447 INFO L276 IsEmpty]: Start isEmpty. Operand 3744 states and 5030 transitions. [2020-12-21 23:17:24,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2020-12-21 23:17:24,457 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:17:24,458 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 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 23:17:24,458 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-21 23:17:24,458 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:17:24,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:17:24,459 INFO L82 PathProgramCache]: Analyzing trace with hash 1357789354, now seen corresponding path program 1 times [2020-12-21 23:17:24,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:17:24,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648852076] [2020-12-21 23:17:24,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:17:24,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:17:24,571 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 300 proven. 0 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2020-12-21 23:17:24,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648852076] [2020-12-21 23:17:24,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:17:24,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:17:24,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294812969] [2020-12-21 23:17:24,573 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:17:24,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:17:24,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:17:24,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:17:24,574 INFO L87 Difference]: Start difference. First operand 3744 states and 5030 transitions. Second operand 3 states. [2020-12-21 23:17:24,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:17:24,828 INFO L93 Difference]: Finished difference Result 7612 states and 10230 transitions. [2020-12-21 23:17:24,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:17:24,828 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 290 [2020-12-21 23:17:24,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:17:24,839 INFO L225 Difference]: With dead ends: 7612 [2020-12-21 23:17:24,839 INFO L226 Difference]: Without dead ends: 3876 [2020-12-21 23:17:24,846 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 23:17:24,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3876 states. [2020-12-21 23:17:25,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3876 to 3836. [2020-12-21 23:17:25,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3836 states. [2020-12-21 23:17:25,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3836 states to 3836 states and 5142 transitions. [2020-12-21 23:17:25,027 INFO L78 Accepts]: Start accepts. Automaton has 3836 states and 5142 transitions. Word has length 290 [2020-12-21 23:17:25,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:17:25,027 INFO L481 AbstractCegarLoop]: Abstraction has 3836 states and 5142 transitions. [2020-12-21 23:17:25,027 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:17:25,027 INFO L276 IsEmpty]: Start isEmpty. Operand 3836 states and 5142 transitions. [2020-12-21 23:17:25,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2020-12-21 23:17:25,039 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:17:25,040 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:17:25,040 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-21 23:17:25,040 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:17:25,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:17:25,041 INFO L82 PathProgramCache]: Analyzing trace with hash -1702375352, now seen corresponding path program 1 times [2020-12-21 23:17:25,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:17:25,041 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304626219] [2020-12-21 23:17:25,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:17:25,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:17:25,159 INFO L134 CoverageAnalysis]: Checked inductivity of 933 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2020-12-21 23:17:25,160 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304626219] [2020-12-21 23:17:25,160 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:17:25,160 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:17:25,160 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095296538] [2020-12-21 23:17:25,161 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:17:25,161 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:17:25,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:17:25,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:17:25,162 INFO L87 Difference]: Start difference. First operand 3836 states and 5142 transitions. Second operand 3 states. [2020-12-21 23:17:25,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:17:25,422 INFO L93 Difference]: Finished difference Result 8044 states and 10852 transitions. [2020-12-21 23:17:25,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:17:25,423 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 311 [2020-12-21 23:17:25,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:17:25,433 INFO L225 Difference]: With dead ends: 8044 [2020-12-21 23:17:25,434 INFO L226 Difference]: Without dead ends: 4216 [2020-12-21 23:17:25,439 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 23:17:25,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4216 states. [2020-12-21 23:17:25,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4216 to 4086. [2020-12-21 23:17:25,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4086 states. [2020-12-21 23:17:25,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4086 states to 4086 states and 5442 transitions. [2020-12-21 23:17:25,667 INFO L78 Accepts]: Start accepts. Automaton has 4086 states and 5442 transitions. Word has length 311 [2020-12-21 23:17:25,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:17:25,667 INFO L481 AbstractCegarLoop]: Abstraction has 4086 states and 5442 transitions. [2020-12-21 23:17:25,667 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:17:25,667 INFO L276 IsEmpty]: Start isEmpty. Operand 4086 states and 5442 transitions. [2020-12-21 23:17:25,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2020-12-21 23:17:25,679 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:17:25,680 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, 1] [2020-12-21 23:17:25,680 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-21 23:17:25,680 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:17:25,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:17:25,681 INFO L82 PathProgramCache]: Analyzing trace with hash 602793911, now seen corresponding path program 1 times [2020-12-21 23:17:25,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:17:25,681 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73422926] [2020-12-21 23:17:25,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:17:25,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:17:25,870 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 23:17:25,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73422926] [2020-12-21 23:17:25,871 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:17:25,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:17:25,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852589702] [2020-12-21 23:17:25,872 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:17:25,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:17:25,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:17:25,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:17:25,873 INFO L87 Difference]: Start difference. First operand 4086 states and 5442 transitions. Second operand 3 states. [2020-12-21 23:17:26,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:17:26,082 INFO L93 Difference]: Finished difference Result 6855 states and 9019 transitions. [2020-12-21 23:17:26,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:17:26,083 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 321 [2020-12-21 23:17:26,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:17:26,089 INFO L225 Difference]: With dead ends: 6855 [2020-12-21 23:17:26,089 INFO L226 Difference]: Without dead ends: 2133 [2020-12-21 23:17:26,095 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 23:17:26,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2133 states. [2020-12-21 23:17:26,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2133 to 2133. [2020-12-21 23:17:26,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2133 states. [2020-12-21 23:17:26,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 2133 states and 2774 transitions. [2020-12-21 23:17:26,173 INFO L78 Accepts]: Start accepts. Automaton has 2133 states and 2774 transitions. Word has length 321 [2020-12-21 23:17:26,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:17:26,174 INFO L481 AbstractCegarLoop]: Abstraction has 2133 states and 2774 transitions. [2020-12-21 23:17:26,174 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:17:26,174 INFO L276 IsEmpty]: Start isEmpty. Operand 2133 states and 2774 transitions. [2020-12-21 23:17:26,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2020-12-21 23:17:26,180 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:17:26,180 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 23:17:26,180 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-12-21 23:17:26,180 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:17:26,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:17:26,181 INFO L82 PathProgramCache]: Analyzing trace with hash -616309997, now seen corresponding path program 1 times [2020-12-21 23:17:26,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:17:26,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267733401] [2020-12-21 23:17:26,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:17:26,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:17:26,357 INFO L134 CoverageAnalysis]: Checked inductivity of 1114 backedges. 580 proven. 0 refuted. 0 times theorem prover too weak. 534 trivial. 0 not checked. [2020-12-21 23:17:26,358 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267733401] [2020-12-21 23:17:26,358 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:17:26,358 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:17:26,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057680785] [2020-12-21 23:17:26,359 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:17:26,359 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:17:26,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:17:26,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:17:26,360 INFO L87 Difference]: Start difference. First operand 2133 states and 2774 transitions. Second operand 3 states. [2020-12-21 23:17:26,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:17:26,553 INFO L93 Difference]: Finished difference Result 4298 states and 5601 transitions. [2020-12-21 23:17:26,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:17:26,554 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 337 [2020-12-21 23:17:26,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:17:26,559 INFO L225 Difference]: With dead ends: 4298 [2020-12-21 23:17:26,559 INFO L226 Difference]: Without dead ends: 2173 [2020-12-21 23:17:26,563 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 23:17:26,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2173 states. [2020-12-21 23:17:26,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2173 to 2133. [2020-12-21 23:17:26,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2133 states. [2020-12-21 23:17:26,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 2133 states and 2734 transitions. [2020-12-21 23:17:26,665 INFO L78 Accepts]: Start accepts. Automaton has 2133 states and 2734 transitions. Word has length 337 [2020-12-21 23:17:26,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:17:26,665 INFO L481 AbstractCegarLoop]: Abstraction has 2133 states and 2734 transitions. [2020-12-21 23:17:26,665 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:17:26,665 INFO L276 IsEmpty]: Start isEmpty. Operand 2133 states and 2734 transitions. [2020-12-21 23:17:26,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2020-12-21 23:17:26,672 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:17:26,672 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-21 23:17:26,673 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-12-21 23:17:26,673 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:17:26,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:17:26,674 INFO L82 PathProgramCache]: Analyzing trace with hash -1063549815, now seen corresponding path program 1 times [2020-12-21 23:17:26,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:17:26,674 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755733300] [2020-12-21 23:17:26,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:17:26,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:17:26,881 INFO L134 CoverageAnalysis]: Checked inductivity of 1327 backedges. 738 proven. 0 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2020-12-21 23:17:26,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755733300] [2020-12-21 23:17:26,882 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:17:26,882 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:17:26,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963577589] [2020-12-21 23:17:26,883 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:17:26,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:17:26,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:17:26,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:17:26,884 INFO L87 Difference]: Start difference. First operand 2133 states and 2734 transitions. Second operand 3 states. [2020-12-21 23:17:27,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:17:27,090 INFO L93 Difference]: Finished difference Result 4268 states and 5466 transitions. [2020-12-21 23:17:27,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:17:27,091 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 360 [2020-12-21 23:17:27,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:17:27,095 INFO L225 Difference]: With dead ends: 4268 [2020-12-21 23:17:27,096 INFO L226 Difference]: Without dead ends: 2143 [2020-12-21 23:17:27,099 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 23:17:27,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2143 states. [2020-12-21 23:17:27,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2143 to 2133. [2020-12-21 23:17:27,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2133 states. [2020-12-21 23:17:27,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 2133 states and 2694 transitions. [2020-12-21 23:17:27,170 INFO L78 Accepts]: Start accepts. Automaton has 2133 states and 2694 transitions. Word has length 360 [2020-12-21 23:17:27,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:17:27,170 INFO L481 AbstractCegarLoop]: Abstraction has 2133 states and 2694 transitions. [2020-12-21 23:17:27,170 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:17:27,170 INFO L276 IsEmpty]: Start isEmpty. Operand 2133 states and 2694 transitions. [2020-12-21 23:17:27,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2020-12-21 23:17:27,176 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:17:27,176 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 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, 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 23:17:27,176 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-12-21 23:17:27,176 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:17:27,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:17:27,177 INFO L82 PathProgramCache]: Analyzing trace with hash -2107174257, now seen corresponding path program 1 times [2020-12-21 23:17:27,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:17:27,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111852553] [2020-12-21 23:17:27,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:17:27,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:17:27,346 INFO L134 CoverageAnalysis]: Checked inductivity of 1588 backedges. 1011 proven. 26 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2020-12-21 23:17:27,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111852553] [2020-12-21 23:17:27,347 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1168660056] [2020-12-21 23:17:27,347 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 23:17:27,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:17:27,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-21 23:17:27,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-21 23:17:28,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1588 backedges. 773 proven. 0 refuted. 0 times theorem prover too weak. 815 trivial. 0 not checked. [2020-12-21 23:17:28,020 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-21 23:17:28,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-12-21 23:17:28,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906632475] [2020-12-21 23:17:28,021 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:17:28,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:17:28,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:17:28,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-21 23:17:28,022 INFO L87 Difference]: Start difference. First operand 2133 states and 2694 transitions. Second operand 3 states. [2020-12-21 23:17:28,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:17:28,101 INFO L93 Difference]: Finished difference Result 2711 states and 3448 transitions. [2020-12-21 23:17:28,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:17:28,102 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 393 [2020-12-21 23:17:28,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:17:28,108 INFO L225 Difference]: With dead ends: 2711 [2020-12-21 23:17:28,109 INFO L226 Difference]: Without dead ends: 2573 [2020-12-21 23:17:28,111 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 393 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-21 23:17:28,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2573 states. [2020-12-21 23:17:28,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2573 to 1997. [2020-12-21 23:17:28,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1997 states. [2020-12-21 23:17:28,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1997 states to 1997 states and 2540 transitions. [2020-12-21 23:17:28,190 INFO L78 Accepts]: Start accepts. Automaton has 1997 states and 2540 transitions. Word has length 393 [2020-12-21 23:17:28,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:17:28,191 INFO L481 AbstractCegarLoop]: Abstraction has 1997 states and 2540 transitions. [2020-12-21 23:17:28,191 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:17:28,191 INFO L276 IsEmpty]: Start isEmpty. Operand 1997 states and 2540 transitions. [2020-12-21 23:17:28,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2020-12-21 23:17:28,196 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:17:28,197 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 10, 10, 9, 9, 8, 8, 8, 8, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:17:28,411 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-21 23:17:28,412 INFO L429 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:17:28,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:17:28,413 INFO L82 PathProgramCache]: Analyzing trace with hash 2021892229, now seen corresponding path program 1 times [2020-12-21 23:17:28,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:17:28,414 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049911147] [2020-12-21 23:17:28,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:17:28,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:17:28,663 INFO L134 CoverageAnalysis]: Checked inductivity of 1704 backedges. 1045 proven. 26 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2020-12-21 23:17:28,663 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049911147] [2020-12-21 23:17:28,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1928334635] [2020-12-21 23:17:28,664 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 23:17:28,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:17:28,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-21 23:17:28,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-21 23:17:29,265 INFO L134 CoverageAnalysis]: Checked inductivity of 1704 backedges. 1045 proven. 26 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2020-12-21 23:17:29,265 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-21 23:17:29,265 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-12-21 23:17:29,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133801342] [2020-12-21 23:17:29,266 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-21 23:17:29,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:17:29,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-21 23:17:29,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-21 23:17:29,267 INFO L87 Difference]: Start difference. First operand 1997 states and 2540 transitions. Second operand 4 states. [2020-12-21 23:17:29,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:17:29,677 INFO L93 Difference]: Finished difference Result 5016 states and 6404 transitions. [2020-12-21 23:17:29,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-21 23:17:29,678 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 409 [2020-12-21 23:17:29,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:17:29,685 INFO L225 Difference]: With dead ends: 5016 [2020-12-21 23:17:29,685 INFO L226 Difference]: Without dead ends: 2985 [2020-12-21 23:17:29,690 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 414 GetRequests, 411 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 23:17:29,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2985 states. [2020-12-21 23:17:29,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2985 to 2157. [2020-12-21 23:17:29,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2157 states. [2020-12-21 23:17:29,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 2157 states and 2760 transitions. [2020-12-21 23:17:29,778 INFO L78 Accepts]: Start accepts. Automaton has 2157 states and 2760 transitions. Word has length 409 [2020-12-21 23:17:29,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:17:29,779 INFO L481 AbstractCegarLoop]: Abstraction has 2157 states and 2760 transitions. [2020-12-21 23:17:29,779 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-21 23:17:29,779 INFO L276 IsEmpty]: Start isEmpty. Operand 2157 states and 2760 transitions. [2020-12-21 23:17:29,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2020-12-21 23:17:29,785 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:17:29,785 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, 1] [2020-12-21 23:17:30,000 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-21 23:17:30,001 INFO L429 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:17:30,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:17:30,002 INFO L82 PathProgramCache]: Analyzing trace with hash 1865506571, now seen corresponding path program 1 times [2020-12-21 23:17:30,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:17:30,004 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15298739] [2020-12-21 23:17:30,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:17:30,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:17:30,237 INFO L134 CoverageAnalysis]: Checked inductivity of 2337 backedges. 1323 proven. 0 refuted. 0 times theorem prover too weak. 1014 trivial. 0 not checked. [2020-12-21 23:17:30,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15298739] [2020-12-21 23:17:30,238 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:17:30,238 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:17:30,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947922848] [2020-12-21 23:17:30,239 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:17:30,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:17:30,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:17:30,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:17:30,240 INFO L87 Difference]: Start difference. First operand 2157 states and 2760 transitions. Second operand 3 states. [2020-12-21 23:17:30,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:17:30,467 INFO L93 Difference]: Finished difference Result 4486 states and 5763 transitions. [2020-12-21 23:17:30,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:17:30,468 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 471 [2020-12-21 23:17:30,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:17:30,472 INFO L225 Difference]: With dead ends: 4486 [2020-12-21 23:17:30,473 INFO L226 Difference]: Without dead ends: 2337 [2020-12-21 23:17:30,476 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 23:17:30,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2337 states. [2020-12-21 23:17:30,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2337 to 2327. [2020-12-21 23:17:30,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2327 states. [2020-12-21 23:17:30,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2327 states to 2327 states and 2955 transitions. [2020-12-21 23:17:30,564 INFO L78 Accepts]: Start accepts. Automaton has 2327 states and 2955 transitions. Word has length 471 [2020-12-21 23:17:30,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:17:30,565 INFO L481 AbstractCegarLoop]: Abstraction has 2327 states and 2955 transitions. [2020-12-21 23:17:30,565 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:17:30,565 INFO L276 IsEmpty]: Start isEmpty. Operand 2327 states and 2955 transitions. [2020-12-21 23:17:30,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2020-12-21 23:17:30,573 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:17:30,573 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, 1] [2020-12-21 23:17:30,573 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-12-21 23:17:30,573 INFO L429 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:17:30,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:17:30,574 INFO L82 PathProgramCache]: Analyzing trace with hash 1625661125, now seen corresponding path program 1 times [2020-12-21 23:17:30,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:17:30,574 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163843513] [2020-12-21 23:17:30,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:17:30,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:17:30,899 INFO L134 CoverageAnalysis]: Checked inductivity of 3102 backedges. 1760 proven. 0 refuted. 0 times theorem prover too weak. 1342 trivial. 0 not checked. [2020-12-21 23:17:30,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163843513] [2020-12-21 23:17:30,900 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:17:30,900 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:17:30,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888432031] [2020-12-21 23:17:30,901 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:17:30,901 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:17:30,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:17:30,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:17:30,901 INFO L87 Difference]: Start difference. First operand 2327 states and 2955 transitions. Second operand 3 states. [2020-12-21 23:17:31,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:17:31,118 INFO L93 Difference]: Finished difference Result 4641 states and 5888 transitions. [2020-12-21 23:17:31,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:17:31,119 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 533 [2020-12-21 23:17:31,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:17:31,124 INFO L225 Difference]: With dead ends: 4641 [2020-12-21 23:17:31,124 INFO L226 Difference]: Without dead ends: 2322 [2020-12-21 23:17:31,127 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 23:17:31,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2322 states. [2020-12-21 23:17:31,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2322 to 2322. [2020-12-21 23:17:31,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2322 states. [2020-12-21 23:17:31,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2322 states to 2322 states and 2885 transitions. [2020-12-21 23:17:31,208 INFO L78 Accepts]: Start accepts. Automaton has 2322 states and 2885 transitions. Word has length 533 [2020-12-21 23:17:31,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:17:31,209 INFO L481 AbstractCegarLoop]: Abstraction has 2322 states and 2885 transitions. [2020-12-21 23:17:31,209 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:17:31,209 INFO L276 IsEmpty]: Start isEmpty. Operand 2322 states and 2885 transitions. [2020-12-21 23:17:31,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2020-12-21 23:17:31,216 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:17:31,216 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, 1] [2020-12-21 23:17:31,217 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-12-21 23:17:31,217 INFO L429 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:17:31,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:17:31,217 INFO L82 PathProgramCache]: Analyzing trace with hash 1600887189, now seen corresponding path program 1 times [2020-12-21 23:17:31,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:17:31,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864965507] [2020-12-21 23:17:31,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:17:31,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:17:31,588 INFO L134 CoverageAnalysis]: Checked inductivity of 4009 backedges. 2315 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2020-12-21 23:17:31,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864965507] [2020-12-21 23:17:31,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [880726401] [2020-12-21 23:17:31,589 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 23:17:31,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:17:31,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 924 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-21 23:17:31,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-21 23:17:32,412 INFO L134 CoverageAnalysis]: Checked inductivity of 4009 backedges. 2315 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2020-12-21 23:17:32,412 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-21 23:17:32,413 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-12-21 23:17:32,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779222245] [2020-12-21 23:17:32,414 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-21 23:17:32,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:17:32,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-21 23:17:32,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-21 23:17:32,415 INFO L87 Difference]: Start difference. First operand 2322 states and 2885 transitions. Second operand 4 states. [2020-12-21 23:17:32,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:17:32,638 INFO L93 Difference]: Finished difference Result 3917 states and 4895 transitions. [2020-12-21 23:17:32,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-21 23:17:32,639 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 599 [2020-12-21 23:17:32,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:17:32,640 INFO L225 Difference]: With dead ends: 3917 [2020-12-21 23:17:32,641 INFO L226 Difference]: Without dead ends: 0 [2020-12-21 23:17:32,644 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 604 GetRequests, 601 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 23:17:32,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-21 23:17:32,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-21 23:17:32,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-21 23:17:32,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-21 23:17:32,645 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 599 [2020-12-21 23:17:32,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:17:32,645 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-21 23:17:32,645 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-21 23:17:32,645 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-21 23:17:32,645 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-21 23:17:32,860 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2020-12-21 23:17:32,864 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-21 23:17:34,068 WARN L197 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 208 [2020-12-21 23:17:35,185 WARN L197 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 208 [2020-12-21 23:17:35,848 WARN L197 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 40 [2020-12-21 23:17:36,180 WARN L197 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 34 [2020-12-21 23:17:36,446 WARN L197 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 39 [2020-12-21 23:17:37,017 WARN L197 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 47 [2020-12-21 23:17:40,195 WARN L197 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 172 DAG size of output: 106 [2020-12-21 23:17:40,843 WARN L197 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 47 [2020-12-21 23:17:41,256 WARN L197 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 47 [2020-12-21 23:17:41,539 WARN L197 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 22 [2020-12-21 23:17:41,954 WARN L197 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 33 [2020-12-21 23:17:42,443 WARN L197 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 44 [2020-12-21 23:17:45,658 WARN L197 SmtUtils]: Spent 3.21 s on a formula simplification. DAG size of input: 172 DAG size of output: 106 [2020-12-21 23:17:46,089 WARN L197 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 47 [2020-12-21 23:17:46,666 WARN L197 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 42 [2020-12-21 23:17:47,030 WARN L197 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 46 [2020-12-21 23:17:47,336 WARN L197 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 39 [2020-12-21 23:17:47,744 WARN L197 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 29 [2020-12-21 23:17:48,150 WARN L197 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 45 [2020-12-21 23:17:48,436 WARN L197 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 39 [2020-12-21 23:17:48,675 WARN L197 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 24 [2020-12-21 23:17:49,284 WARN L197 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 47 [2020-12-21 23:17:49,515 WARN L197 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 19 [2020-12-21 23:17:49,520 INFO L189 CegarLoopUtils]: For program point L531(lines 531 537) no Hoare annotation was computed. [2020-12-21 23:17:49,520 INFO L189 CegarLoopUtils]: For program point L531-1(lines 531 537) no Hoare annotation was computed. [2020-12-21 23:17:49,521 INFO L189 CegarLoopUtils]: For program point L334(lines 334 368) no Hoare annotation was computed. [2020-12-21 23:17:49,521 INFO L189 CegarLoopUtils]: For program point L334-1(lines 334 368) no Hoare annotation was computed. [2020-12-21 23:17:49,521 INFO L189 CegarLoopUtils]: For program point L202(lines 202 547) no Hoare annotation was computed. [2020-12-21 23:17:49,521 INFO L189 CegarLoopUtils]: For program point L169(lines 169 558) no Hoare annotation was computed. [2020-12-21 23:17:49,521 INFO L189 CegarLoopUtils]: For program point L136(lines 136 569) no Hoare annotation was computed. [2020-12-21 23:17:49,521 INFO L189 CegarLoopUtils]: For program point L103(lines 103 580) no Hoare annotation was computed. [2020-12-21 23:17:49,522 INFO L189 CegarLoopUtils]: For program point L467(lines 467 469) no Hoare annotation was computed. [2020-12-21 23:17:49,522 INFO L189 CegarLoopUtils]: For program point L401(lines 401 403) no Hoare annotation was computed. [2020-12-21 23:17:49,522 INFO L189 CegarLoopUtils]: For program point L335(lines 335 365) no Hoare annotation was computed. [2020-12-21 23:17:49,523 INFO L185 CegarLoopUtils]: At program point L203(lines 199 548) the Hoare annotation is: (let ((.cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse0 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse1 (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0)))) (or (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse0 .cse1) (and .cse2 .cse0 .cse1 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse2 .cse0 .cse1) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse0 .cse1))) [2020-12-21 23:17:49,523 INFO L185 CegarLoopUtils]: At program point L104(lines 103 580) the Hoare annotation is: false [2020-12-21 23:17:49,523 INFO L192 CegarLoopUtils]: At program point L600(lines 99 601) the Hoare annotation is: true [2020-12-21 23:17:49,523 INFO L189 CegarLoopUtils]: For program point L534(lines 534 536) no Hoare annotation was computed. [2020-12-21 23:17:49,524 INFO L189 CegarLoopUtils]: For program point L205(lines 205 546) no Hoare annotation was computed. [2020-12-21 23:17:49,524 INFO L189 CegarLoopUtils]: For program point L172(lines 172 557) no Hoare annotation was computed. [2020-12-21 23:17:49,524 INFO L189 CegarLoopUtils]: For program point L139(lines 139 568) no Hoare annotation was computed. [2020-12-21 23:17:49,524 INFO L189 CegarLoopUtils]: For program point L106(lines 106 579) no Hoare annotation was computed. [2020-12-21 23:17:49,524 INFO L189 CegarLoopUtils]: For program point L305(lines 305 312) no Hoare annotation was computed. [2020-12-21 23:17:49,524 INFO L189 CegarLoopUtils]: For program point L305-2(lines 305 312) no Hoare annotation was computed. [2020-12-21 23:17:49,524 INFO L185 CegarLoopUtils]: At program point L206(lines 205 546) the Hoare annotation is: (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) [2020-12-21 23:17:49,524 INFO L185 CegarLoopUtils]: At program point L173(lines 169 558) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse4 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.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))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse9 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse0 .cse2 .cse5 .cse6 .cse7 .cse9 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse1 .cse3 .cse4 .cse8 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse10) (and .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10))) [2020-12-21 23:17:49,525 INFO L185 CegarLoopUtils]: At program point L140(lines 136 569) 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 (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse4 (not (= 8448 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 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse8 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse7 .cse8 .cse9 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse1 .cse2 .cse3 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9))) [2020-12-21 23:17:49,525 INFO L189 CegarLoopUtils]: For program point L340(lines 340 363) no Hoare annotation was computed. [2020-12-21 23:17:49,525 INFO L185 CegarLoopUtils]: At program point L208(lines 207 546) the Hoare annotation is: (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) [2020-12-21 23:17:49,525 INFO L189 CegarLoopUtils]: For program point L175(lines 175 556) no Hoare annotation was computed. [2020-12-21 23:17:49,525 INFO L189 CegarLoopUtils]: For program point L142(lines 142 567) no Hoare annotation was computed. [2020-12-21 23:17:49,525 INFO L189 CegarLoopUtils]: For program point L109(lines 109 578) no Hoare annotation was computed. [2020-12-21 23:17:49,525 INFO L189 CegarLoopUtils]: For program point L605(lines 605 607) no Hoare annotation was computed. [2020-12-21 23:17:49,526 INFO L189 CegarLoopUtils]: For program point L605-2(lines 605 607) no Hoare annotation was computed. [2020-12-21 23:17:49,526 INFO L189 CegarLoopUtils]: For program point L506(lines 506 509) no Hoare annotation was computed. [2020-12-21 23:17:49,526 INFO L189 CegarLoopUtils]: For program point L275(lines 275 277) no Hoare annotation was computed. [2020-12-21 23:17:49,526 INFO L189 CegarLoopUtils]: For program point L275-2(lines 209 543) no Hoare annotation was computed. [2020-12-21 23:17:49,526 INFO L189 CegarLoopUtils]: For program point L441(lines 441 443) no Hoare annotation was computed. [2020-12-21 23:17:49,526 INFO L189 CegarLoopUtils]: For program point L309(lines 309 311) no Hoare annotation was computed. [2020-12-21 23:17:49,526 INFO L189 CegarLoopUtils]: For program point L343(lines 343 347) no Hoare annotation was computed. [2020-12-21 23:17:49,526 INFO L189 CegarLoopUtils]: For program point L343-2(lines 343 347) no Hoare annotation was computed. [2020-12-21 23:17:49,526 INFO L189 CegarLoopUtils]: For program point L244(lines 244 254) no Hoare annotation was computed. [2020-12-21 23:17:49,526 INFO L189 CegarLoopUtils]: For program point L178(lines 178 555) no Hoare annotation was computed. [2020-12-21 23:17:49,527 INFO L189 CegarLoopUtils]: For program point L145(lines 145 566) no Hoare annotation was computed. [2020-12-21 23:17:49,527 INFO L189 CegarLoopUtils]: For program point L112(lines 112 577) no Hoare annotation was computed. [2020-12-21 23:17:49,527 INFO L189 CegarLoopUtils]: For program point L476(lines 476 478) no Hoare annotation was computed. [2020-12-21 23:17:49,527 INFO L189 CegarLoopUtils]: For program point L377(lines 377 409) no Hoare annotation was computed. [2020-12-21 23:17:49,527 INFO L189 CegarLoopUtils]: For program point L245(lines 245 248) no Hoare annotation was computed. [2020-12-21 23:17:49,527 INFO L185 CegarLoopUtils]: At program point L212(lines 106 579) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448)) (.cse2 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse2) (and .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse1 .cse2) (and .cse0 .cse1 .cse2 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)))) [2020-12-21 23:17:49,527 INFO L185 CegarLoopUtils]: At program point L179(lines 175 556) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse4 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.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))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse9 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse0 .cse2 .cse5 .cse6 .cse7 .cse9 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse1 .cse3 .cse4 .cse8 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse10) (and .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10))) [2020-12-21 23:17:49,527 INFO L185 CegarLoopUtils]: At program point L146(lines 142 567) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse4 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.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))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse9 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse2 .cse5 .cse6 .cse7 .cse8 .cse9 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse1 .cse3 .cse4 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse10) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10))) [2020-12-21 23:17:49,527 INFO L189 CegarLoopUtils]: For program point L444(lines 444 453) no Hoare annotation was computed. [2020-12-21 23:17:49,528 INFO L189 CegarLoopUtils]: For program point L378(lines 378 384) no Hoare annotation was computed. [2020-12-21 23:17:49,528 INFO L192 CegarLoopUtils]: At program point L610(lines 12 612) the Hoare annotation is: true [2020-12-21 23:17:49,528 INFO L185 CegarLoopUtils]: At program point L544(lines 100 599) the Hoare annotation is: (let ((.cse22 (= ULTIMATE.start_ssl3_accept_~s__state~0 8544)) (.cse26 (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse4 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (let ((.cse23 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640)) (.cse27 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse3 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse6 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse28 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse24 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse29 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse25 (not .cse4)) (.cse20 (<= ULTIMATE.start_ssl3_accept_~s__state~0 3)) (.cse5 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse13 (= ULTIMATE.start_ssl3_accept_~s__state~0 8592)) (.cse21 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0)) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse9 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (.cse10 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse11 (not .cse26)) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse30 (= ULTIMATE.start_ssl3_accept_~s__state~0 8608)) (.cse14 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse15 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse16 (not .cse22)) (.cse17 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse18 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse19 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (= ULTIMATE.start_ssl3_accept_~s__state~0 8512) .cse5) (and .cse0 .cse4 .cse6 .cse5) (and .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19) (and .cse9 .cse20) (and .cse0 .cse9 .cse6) (and .cse21 .cse22) (and .cse7 .cse8 .cse10 .cse11 .cse12 .cse6 .cse14 .cse15 .cse21 .cse16 .cse17 .cse18 .cse19) (and .cse23 .cse18 .cse24 .cse25) (and .cse21 .cse26) (and .cse23 .cse20) (and .cse9 .cse18 .cse24) (and .cse7 .cse8 .cse9 .cse17 .cse10 .cse12 .cse6 .cse14 .cse19) (and .cse27 .cse23 .cse14 (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse25) (and .cse0 .cse13 .cse4 .cse5) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 3) .cse1 .cse27 .cse4 .cse14) (and .cse2 .cse9 .cse28 .cse4 .cse24) (and .cse0 .cse2 .cse28 .cse24 .cse29 .cse5) (and .cse1 .cse2 .cse3 .cse25) (and .cse4 .cse26 .cse5) (and .cse0 .cse30 .cse4 .cse5) (and .cse21 .cse2 .cse28 .cse24) (and .cse5 .cse20) (and .cse0 .cse21 .cse6) (and .cse2 .cse28 .cse24 .cse29 .cse5 .cse25) (and .cse21 .cse20) (and .cse7 .cse8 .cse10 .cse11 .cse12 .cse30 .cse14 .cse15 .cse21 .cse16 .cse17 .cse18 .cse19) (and (= ULTIMATE.start_ssl3_accept_~s__state~0 8528) .cse4 .cse5) (and .cse4 .cse22 .cse5) (and .cse7 .cse8 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse21 .cse16 .cse17 .cse18 .cse19) (and .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse30 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19)))) [2020-12-21 23:17:49,528 INFO L189 CegarLoopUtils]: For program point L181(lines 181 554) no Hoare annotation was computed. [2020-12-21 23:17:49,528 INFO L189 CegarLoopUtils]: For program point L148(lines 148 565) no Hoare annotation was computed. [2020-12-21 23:17:49,528 INFO L189 CegarLoopUtils]: For program point L115(lines 115 576) no Hoare annotation was computed. [2020-12-21 23:17:49,528 INFO L189 CegarLoopUtils]: For program point L479(lines 479 483) no Hoare annotation was computed. [2020-12-21 23:17:49,529 INFO L189 CegarLoopUtils]: For program point L479-2(lines 479 483) no Hoare annotation was computed. [2020-12-21 23:17:49,529 INFO L189 CegarLoopUtils]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-12-21 23:17:49,529 INFO L189 CegarLoopUtils]: For program point L514(lines 514 516) no Hoare annotation was computed. [2020-12-21 23:17:49,529 INFO L189 CegarLoopUtils]: For program point L448(lines 448 450) no Hoare annotation was computed. [2020-12-21 23:17:49,529 INFO L189 CegarLoopUtils]: For program point L217(lines 217 219) no Hoare annotation was computed. [2020-12-21 23:17:49,529 INFO L189 CegarLoopUtils]: For program point L184(lines 184 553) no Hoare annotation was computed. [2020-12-21 23:17:49,529 INFO L189 CegarLoopUtils]: For program point L151(lines 151 564) no Hoare annotation was computed. [2020-12-21 23:17:49,529 INFO L189 CegarLoopUtils]: For program point L217-2(lines 217 219) no Hoare annotation was computed. [2020-12-21 23:17:49,529 INFO L189 CegarLoopUtils]: For program point L118(lines 118 575) no Hoare annotation was computed. [2020-12-21 23:17:49,529 INFO L189 CegarLoopUtils]: For program point L581(lines 581 597) no Hoare annotation was computed. [2020-12-21 23:17:49,529 INFO L185 CegarLoopUtils]: At program point L515(lines 73 611) the Hoare annotation is: false [2020-12-21 23:17:49,530 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-21 23:17:49,530 INFO L185 CegarLoopUtils]: At program point L185(lines 181 554) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_ssl3_accept_~s__state~0 8608))) (or (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse0 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse0) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse0))) [2020-12-21 23:17:49,530 INFO L185 CegarLoopUtils]: At program point L152(lines 148 565) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse4 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.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))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse9 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse2 .cse5 .cse6 .cse7 .cse8 .cse9 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse1 .cse3 .cse4 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse10) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10))) [2020-12-21 23:17:49,530 INFO L189 CegarLoopUtils]: For program point L86(lines 86 88) no Hoare annotation was computed. [2020-12-21 23:17:49,530 INFO L189 CegarLoopUtils]: For program point L86-2(lines 83 89) no Hoare annotation was computed. [2020-12-21 23:17:49,530 INFO L189 CegarLoopUtils]: For program point L582(lines 582 596) no Hoare annotation was computed. [2020-12-21 23:17:49,530 INFO L189 CegarLoopUtils]: For program point L351(lines 351 359) no Hoare annotation was computed. [2020-12-21 23:17:49,531 INFO L189 CegarLoopUtils]: For program point L583(lines 583 588) no Hoare annotation was computed. [2020-12-21 23:17:49,531 INFO L189 CegarLoopUtils]: For program point L517(lines 517 519) no Hoare annotation was computed. [2020-12-21 23:17:49,531 INFO L189 CegarLoopUtils]: For program point L583-2(lines 582 596) no Hoare annotation was computed. [2020-12-21 23:17:49,531 INFO L185 CegarLoopUtils]: At program point L352(lines 328 370) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse4 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.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))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse9 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse2 .cse5 .cse6 .cse7 .cse8 .cse9 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse1 .cse3 .cse4 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse10) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10))) [2020-12-21 23:17:49,531 INFO L189 CegarLoopUtils]: For program point L187(lines 187 552) no Hoare annotation was computed. [2020-12-21 23:17:49,531 INFO L189 CegarLoopUtils]: For program point L154(lines 154 563) no Hoare annotation was computed. [2020-12-21 23:17:49,531 INFO L189 CegarLoopUtils]: For program point L121(lines 121 574) no Hoare annotation was computed. [2020-12-21 23:17:49,531 INFO L189 CegarLoopUtils]: For program point L419(lines 419 421) no Hoare annotation was computed. [2020-12-21 23:17:49,531 INFO L185 CegarLoopUtils]: At program point L386(lines 377 409) the Hoare annotation is: (let ((.cse0 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.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 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8))) [2020-12-21 23:17:49,532 INFO L185 CegarLoopUtils]: At program point L122(lines 118 575) the Hoare annotation is: (let ((.cse1 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse0 (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 8544))) (.cse4 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.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))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse9 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse9 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse1 .cse0 .cse2 .cse3 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse1 .cse0 .cse2 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9))) [2020-12-21 23:17:49,532 INFO L189 CegarLoopUtils]: For program point L585(lines 585 587) no Hoare annotation was computed. [2020-12-21 23:17:49,532 INFO L189 CegarLoopUtils]: For program point L354(lines 354 356) no Hoare annotation was computed. [2020-12-21 23:17:49,532 INFO L189 CegarLoopUtils]: For program point L288(lines 288 290) no Hoare annotation was computed. [2020-12-21 23:17:49,532 INFO L189 CegarLoopUtils]: For program point L222(lines 222 224) no Hoare annotation was computed. [2020-12-21 23:17:49,532 INFO L189 CegarLoopUtils]: For program point L288-2(lines 209 543) no Hoare annotation was computed. [2020-12-21 23:17:49,532 INFO L189 CegarLoopUtils]: For program point L322(lines 322 326) no Hoare annotation was computed. [2020-12-21 23:17:49,532 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-21 23:17:49,533 INFO L189 CegarLoopUtils]: For program point L322-2(lines 209 543) no Hoare annotation was computed. [2020-12-21 23:17:49,533 INFO L189 CegarLoopUtils]: For program point L190(lines 190 551) no Hoare annotation was computed. [2020-12-21 23:17:49,533 INFO L189 CegarLoopUtils]: For program point L157(lines 157 562) no Hoare annotation was computed. [2020-12-21 23:17:49,533 INFO L189 CegarLoopUtils]: For program point L124(lines 124 573) no Hoare annotation was computed. [2020-12-21 23:17:49,533 INFO L189 CegarLoopUtils]: For program point L91(lines 91 95) no Hoare annotation was computed. [2020-12-21 23:17:49,533 INFO L189 CegarLoopUtils]: For program point L91-1(lines 73 611) no Hoare annotation was computed. [2020-12-21 23:17:49,533 INFO L189 CegarLoopUtils]: For program point L521(lines 521 525) no Hoare annotation was computed. [2020-12-21 23:17:49,533 INFO L189 CegarLoopUtils]: For program point L521-2(lines 521 525) no Hoare annotation was computed. [2020-12-21 23:17:49,533 INFO L189 CegarLoopUtils]: For program point L389(lines 389 407) no Hoare annotation was computed. [2020-12-21 23:17:49,534 INFO L185 CegarLoopUtils]: At program point L191(lines 187 552) the Hoare annotation is: (let ((.cse5 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (.cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse2 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)))) (or (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse1 .cse2 .cse3 .cse4) (and .cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640) .cse1 .cse2 .cse3 .cse4 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-12-21 23:17:49,534 INFO L185 CegarLoopUtils]: At program point L158(lines 154 563) the Hoare annotation is: (let ((.cse0 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.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 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8))) [2020-12-21 23:17:49,534 INFO L185 CegarLoopUtils]: At program point L125(lines 124 573) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse4 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.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))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse9 (<= 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 .cse10 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10))) [2020-12-21 23:17:49,534 INFO L189 CegarLoopUtils]: For program point L92(lines 92 94) no Hoare annotation was computed. [2020-12-21 23:17:49,534 INFO L189 CegarLoopUtils]: For program point L489(lines 489 492) no Hoare annotation was computed. [2020-12-21 23:17:49,535 INFO L189 CegarLoopUtils]: For program point L390(lines 390 396) no Hoare annotation was computed. [2020-12-21 23:17:49,535 INFO L192 CegarLoopUtils]: At program point L622(lines 613 624) the Hoare annotation is: true [2020-12-21 23:17:49,535 INFO L189 CegarLoopUtils]: For program point L193(lines 193 550) no Hoare annotation was computed. [2020-12-21 23:17:49,535 INFO L189 CegarLoopUtils]: For program point L160(lines 160 561) no Hoare annotation was computed. [2020-12-21 23:17:49,535 INFO L189 CegarLoopUtils]: For program point L127(lines 127 572) no Hoare annotation was computed. [2020-12-21 23:17:49,535 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-21 23:17:49,535 INFO L189 CegarLoopUtils]: For program point L590(lines 590 594) no Hoare annotation was computed. [2020-12-21 23:17:49,535 INFO L189 CegarLoopUtils]: For program point L458(lines 458 460) no Hoare annotation was computed. [2020-12-21 23:17:49,535 INFO L189 CegarLoopUtils]: For program point L260(lines 260 262) no Hoare annotation was computed. [2020-12-21 23:17:49,536 INFO L189 CegarLoopUtils]: For program point L227(lines 227 238) no Hoare annotation was computed. [2020-12-21 23:17:49,536 INFO L189 CegarLoopUtils]: For program point L227-2(lines 209 543) no Hoare annotation was computed. [2020-12-21 23:17:49,536 INFO L189 CegarLoopUtils]: For program point L294(lines 294 298) no Hoare annotation was computed. [2020-12-21 23:17:49,536 INFO L189 CegarLoopUtils]: For program point L294-2(lines 294 298) no Hoare annotation was computed. [2020-12-21 23:17:49,536 INFO L189 CegarLoopUtils]: For program point L427-1(lines 427 435) no Hoare annotation was computed. [2020-12-21 23:17:49,536 INFO L189 CegarLoopUtils]: For program point L229(lines 229 232) no Hoare annotation was computed. [2020-12-21 23:17:49,536 INFO L189 CegarLoopUtils]: For program point L196(lines 196 549) no Hoare annotation was computed. [2020-12-21 23:17:49,536 INFO L189 CegarLoopUtils]: For program point L163(lines 163 560) no Hoare annotation was computed. [2020-12-21 23:17:49,536 INFO L189 CegarLoopUtils]: For program point L130(lines 130 571) no Hoare annotation was computed. [2020-12-21 23:17:49,536 INFO L189 CegarLoopUtils]: For program point L494(lines 494 500) no Hoare annotation was computed. [2020-12-21 23:17:49,537 INFO L185 CegarLoopUtils]: At program point L197(lines 193 550) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse2 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse4 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse5 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (or (and .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse1 .cse2 .cse3) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse5 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 .cse4 (not .cse5)))) [2020-12-21 23:17:49,537 INFO L185 CegarLoopUtils]: At program point L164(lines 160 561) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse4 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.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 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8))) [2020-12-21 23:17:49,537 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-21 23:17:49,537 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 609) no Hoare annotation was computed. [2020-12-21 23:17:49,537 INFO L189 CegarLoopUtils]: For program point L430(lines 430 433) no Hoare annotation was computed. [2020-12-21 23:17:49,537 INFO L189 CegarLoopUtils]: For program point L331(lines 331 369) no Hoare annotation was computed. [2020-12-21 23:17:49,538 INFO L189 CegarLoopUtils]: For program point L199(lines 199 548) no Hoare annotation was computed. [2020-12-21 23:17:49,538 INFO L189 CegarLoopUtils]: For program point L166(lines 166 559) no Hoare annotation was computed. [2020-12-21 23:17:49,538 INFO L189 CegarLoopUtils]: For program point L133(lines 133 570) no Hoare annotation was computed. [2020-12-21 23:17:49,538 INFO L185 CegarLoopUtils]: At program point L100-2(lines 100 599) the Hoare annotation is: (let ((.cse22 (= ULTIMATE.start_ssl3_accept_~s__state~0 8544)) (.cse26 (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse4 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (let ((.cse23 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640)) (.cse27 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse3 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse6 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse28 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse24 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse29 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse25 (not .cse4)) (.cse20 (<= ULTIMATE.start_ssl3_accept_~s__state~0 3)) (.cse5 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse13 (= ULTIMATE.start_ssl3_accept_~s__state~0 8592)) (.cse21 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0)) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse9 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (.cse10 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse11 (not .cse26)) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse30 (= ULTIMATE.start_ssl3_accept_~s__state~0 8608)) (.cse14 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse15 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse16 (not .cse22)) (.cse17 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse18 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse19 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (= ULTIMATE.start_ssl3_accept_~s__state~0 8512) .cse5) (and .cse0 .cse4 .cse6 .cse5) (and .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19) (and .cse9 .cse20) (and .cse0 .cse9 .cse6) (and .cse21 .cse22) (and .cse7 .cse8 .cse10 .cse11 .cse12 .cse6 .cse14 .cse15 .cse21 .cse16 .cse17 .cse18 .cse19) (and .cse23 .cse18 .cse24 .cse25) (and .cse21 .cse26) (and .cse23 .cse20) (and .cse9 .cse18 .cse24) (and .cse7 .cse8 .cse9 .cse17 .cse10 .cse12 .cse6 .cse14 .cse19) (and .cse27 .cse23 .cse14 (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse25) (and .cse0 .cse13 .cse4 .cse5) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 3) .cse1 .cse27 .cse4 .cse14) (and .cse2 .cse9 .cse28 .cse4 .cse24) (and .cse0 .cse2 .cse28 .cse24 .cse29 .cse5) (and .cse1 .cse2 .cse3 .cse25) (and .cse4 .cse26 .cse5) (and .cse0 .cse30 .cse4 .cse5) (and .cse21 .cse2 .cse28 .cse24) (and .cse5 .cse20) (and .cse0 .cse21 .cse6) (and .cse2 .cse28 .cse24 .cse29 .cse5 .cse25) (and .cse21 .cse20) (and .cse7 .cse8 .cse10 .cse11 .cse12 .cse30 .cse14 .cse15 .cse21 .cse16 .cse17 .cse18 .cse19) (and (= ULTIMATE.start_ssl3_accept_~s__state~0 8528) .cse4 .cse5) (and .cse4 .cse22 .cse5) (and .cse7 .cse8 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse21 .cse16 .cse17 .cse18 .cse19) (and .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse30 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19)))) [2020-12-21 23:17:49,539 INFO L189 CegarLoopUtils]: For program point L497(lines 497 499) no Hoare annotation was computed. [2020-12-21 23:17:49,539 INFO L189 CegarLoopUtils]: For program point L497-2(lines 209 543) no Hoare annotation was computed. [2020-12-21 23:17:49,539 INFO L185 CegarLoopUtils]: At program point L398(lines 389 407) the Hoare annotation is: (let ((.cse0 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.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 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8))) [2020-12-21 23:17:49,539 INFO L189 CegarLoopUtils]: For program point L233(lines 233 236) no Hoare annotation was computed. [2020-12-21 23:17:49,539 INFO L185 CegarLoopUtils]: At program point L167(lines 166 559) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448)) (.cse2 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) (.cse3 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse3) (and .cse1 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640) .cse3 (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) (not .cse2)) (and .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse1 .cse3) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 3) (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse1 .cse2 .cse3))) [2020-12-21 23:17:49,540 INFO L185 CegarLoopUtils]: At program point L134(lines 127 572) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse4 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.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))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse9 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse0 .cse2 .cse5 .cse6 .cse7 .cse8 .cse9 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse1 .cse3 .cse4 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse10) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10))) [2020-12-21 23:17:49,540 INFO L189 CegarLoopUtils]: For program point L101(line 101) no Hoare annotation was computed. [2020-12-21 23:17:49,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 11:17:49 BoogieIcfgContainer [2020-12-21 23:17:49,607 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-21 23:17:49,607 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-21 23:17:49,607 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-21 23:17:49,608 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-21 23:17:49,608 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 11:17:12" (3/4) ... [2020-12-21 23:17:49,612 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-21 23:17:49,636 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-21 23:17:49,637 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-21 23:17:49,640 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-21 23:17:49,641 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-21 23:17:49,790 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/openssl-simplified/s3_srvr_4.cil.c-witness.graphml [2020-12-21 23:17:49,790 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-21 23:17:49,791 INFO L168 Benchmark]: Toolchain (without parser) took 39036.36 ms. Allocated memory was 157.3 MB in the beginning and 906.0 MB in the end (delta: 748.7 MB). Free memory was 132.3 MB in the beginning and 605.5 MB in the end (delta: -473.1 MB). Peak memory consumption was 275.9 MB. Max. memory is 8.0 GB. [2020-12-21 23:17:49,791 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 157.3 MB. Free memory is still 129.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-21 23:17:49,791 INFO L168 Benchmark]: CACSL2BoogieTranslator took 482.86 ms. Allocated memory is still 157.3 MB. Free memory was 132.1 MB in the beginning and 116.8 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2020-12-21 23:17:49,792 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.41 ms. Allocated memory is still 157.3 MB. Free memory was 116.8 MB in the beginning and 113.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-21 23:17:49,792 INFO L168 Benchmark]: Boogie Preprocessor took 107.26 ms. Allocated memory is still 157.3 MB. Free memory was 113.9 MB in the beginning and 111.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-21 23:17:49,792 INFO L168 Benchmark]: RCFGBuilder took 1260.96 ms. Allocated memory is still 157.3 MB. Free memory was 111.7 MB in the beginning and 93.1 MB in the end (delta: 18.6 MB). Peak memory consumption was 19.0 MB. Max. memory is 8.0 GB. [2020-12-21 23:17:49,793 INFO L168 Benchmark]: TraceAbstraction took 36900.34 ms. Allocated memory was 157.3 MB in the beginning and 906.0 MB in the end (delta: 748.7 MB). Free memory was 92.6 MB in the beginning and 618.6 MB in the end (delta: -525.9 MB). Peak memory consumption was 505.8 MB. Max. memory is 8.0 GB. [2020-12-21 23:17:49,793 INFO L168 Benchmark]: Witness Printer took 182.59 ms. Allocated memory is still 906.0 MB. Free memory was 618.6 MB in the beginning and 605.5 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2020-12-21 23:17:49,797 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 157.3 MB. Free memory is still 129.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 482.86 ms. Allocated memory is still 157.3 MB. Free memory was 132.1 MB in the beginning and 116.8 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 91.41 ms. Allocated memory is still 157.3 MB. Free memory was 116.8 MB in the beginning and 113.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 107.26 ms. Allocated memory is still 157.3 MB. Free memory was 113.9 MB in the beginning and 111.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1260.96 ms. Allocated memory is still 157.3 MB. Free memory was 111.7 MB in the beginning and 93.1 MB in the end (delta: 18.6 MB). Peak memory consumption was 19.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 36900.34 ms. Allocated memory was 157.3 MB in the beginning and 906.0 MB in the end (delta: 748.7 MB). Free memory was 92.6 MB in the beginning and 618.6 MB in the end (delta: -525.9 MB). Peak memory consumption was 505.8 MB. Max. memory is 8.0 GB. * Witness Printer took 182.59 ms. Allocated memory is still 906.0 MB. Free memory was 618.6 MB in the beginning and 605.5 MB in the end (delta: 13.1 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: 609]: 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: 118]: 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) && s__hit == 0) && 8448 <= s__state) && 2 == blastFlag) || ((((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && !(8496 == s__state)) && !(s__state == 8544)) && blastFlag == 1) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state)) || ((((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && !(8496 == s__state)) && blastFlag == 0) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: ((((((((((!(8496 == s__state) && !(s__state == 8480)) && blastFlag == 1) && !(8448 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(8497 == s__state)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) || ((((((((((!(8496 == s__state) && !(s__state == 8480)) && !(8448 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(8497 == s__state)) && s__hit == 0) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag)) || (((((((((!(8496 == s__state) && blastFlag == 0) && !(s__state == 8480)) && !(8448 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(8497 == s__state)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: ((((((!(s__state == 8673) && blastFlag == 0) && s__state <= 8672) && 8640 <= s__state) && !(s__state == 8672)) || (((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8673)) && s__state <= 8672) && 8640 <= s__state) && !(s__state == 8672)) && 2 == blastFlag)) || (((((!(s__state == 8673) && s__state <= 8672) && blastFlag == 1) && s__hit == 0) && 8640 <= s__state) && !(s__state == 8672))) || (((((!(s__state == 8673) && s__state <= 8672) && 8640 <= s__state) && !(s__state == 8672)) && 2 == blastFlag) && !(s__hit == 0)) - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: !(s__state == 8672) - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: ((((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && blastFlag == 1) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) || ((((((((((((!(s__state == 8545) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && 2 == blastFlag) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && s__hit == 0) && !(s__state == 8481))) || (((((((((((!(s__state == 8545) && !(8496 == s__state)) && blastFlag == 0) && !(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)) - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((s__s3__tmp__next_state___0 <= 8576 && blastFlag <= 3) && s__state <= 8672) && 8672 <= s__state) || ((s__hit == 0 && s__state == 8512) && 2 == blastFlag)) || (((s__s3__tmp__next_state___0 <= 8576 && s__hit == 0) && s__state <= 8576) && 2 == blastFlag)) || ((((((((((((!(s__state == 8545) && !(s__state == 8480)) && blastFlag == 1) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state == 8592) && 8448 <= s__state) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && s__state <= 8640) && !(s__state == 8481))) || (blastFlag == 1 && s__state <= 3)) || ((s__s3__tmp__next_state___0 <= 8576 && blastFlag == 1) && s__state <= 8576)) || (blastFlag == 0 && s__state == 8544)) || ((((((((((((!(s__state == 8545) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(8496 == s__state)) && blastFlag == 0) && !(s__state == 8544)) && !(8448 == s__state)) && s__state <= 8640) && !(s__state == 8481))) || (((s__s3__tmp__next_state___0 <= 8640 && s__state <= 8640) && 8640 <= s__state) && !(s__hit == 0))) || (blastFlag == 0 && 8560 == s__state)) || (s__s3__tmp__next_state___0 <= 8640 && s__state <= 3)) || ((blastFlag == 1 && s__state <= 8640) && 8640 <= s__state)) || ((((((((!(s__state == 8545) && !(s__state == 8480)) && blastFlag == 1) && !(8448 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481))) || ((((s__state <= 8448 && s__s3__tmp__next_state___0 <= 8640) && 8448 <= s__state) && 8640 <= s__s3__tmp__next_state___0) && !(s__hit == 0))) || (((s__s3__tmp__next_state___0 <= 8576 && s__state == 8592) && s__hit == 0) && 2 == blastFlag)) || ((((s__s3__tmp__next_state___0 <= 3 && blastFlag <= 3) && s__state <= 8448) && s__hit == 0) && 8448 <= s__state)) || ((((s__state <= 8672 && blastFlag == 1) && !(s__state == 8657)) && s__hit == 0) && 8640 <= s__state)) || (((((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8672) && !(s__state == 8657)) && 8640 <= s__state) && !(s__state == 8672)) && 2 == blastFlag)) || (((blastFlag <= 3 && s__state <= 8672) && 8672 <= s__state) && !(s__hit == 0))) || ((s__hit == 0 && 8560 == s__state) && 2 == blastFlag)) || (((s__s3__tmp__next_state___0 <= 8576 && s__state == 8608) && s__hit == 0) && 2 == blastFlag)) || (((blastFlag == 0 && s__state <= 8672) && !(s__state == 8657)) && 8640 <= s__state)) || (2 == blastFlag && s__state <= 3)) || ((s__s3__tmp__next_state___0 <= 8576 && blastFlag == 0) && s__state <= 8576)) || (((((s__state <= 8672 && !(s__state == 8657)) && 8640 <= s__state) && !(s__state == 8672)) && 2 == blastFlag) && !(s__hit == 0))) || (blastFlag == 0 && s__state <= 3)) || ((((((((((((!(s__state == 8545) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state == 8608) && 8448 <= s__state) && !(8496 == s__state)) && blastFlag == 0) && !(s__state == 8544)) && !(8448 == s__state)) && s__state <= 8640) && !(s__state == 8481))) || ((s__state == 8528 && s__hit == 0) && 2 == blastFlag)) || ((s__hit == 0 && s__state == 8544) && 2 == blastFlag)) || ((((((((((((!(s__state == 8545) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state == 8592) && 8448 <= s__state) && !(8496 == s__state)) && blastFlag == 0) && !(s__state == 8544)) && !(8448 == s__state)) && s__state <= 8640) && !(s__state == 8481))) || ((((((((((((!(s__state == 8545) && !(s__state == 8480)) && blastFlag == 1) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state == 8608) && 8448 <= s__state) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && s__state <= 8640) && !(s__state == 8481)) - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: ((((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && blastFlag == 1) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) || ((((((((((((!(s__state == 8545) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && 2 == blastFlag) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && s__hit == 0) && !(s__state == 8481))) || (((((((((((!(s__state == 8545) && !(8496 == s__state)) && blastFlag == 0) && !(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)) - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: ((((((((((((!(s__state == 8545) && !(8496 == s__state)) && blastFlag == 0) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8640) && 8448 <= s__state) && !(s__state == 8481)) || (((((((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && 8448 <= s__state) && 2 == blastFlag) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && s__state <= 8640) && s__hit == 0) && !(s__state == 8481))) || (((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && blastFlag == 1) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8640) && 8448 <= s__state) && !(s__state == 8481)) - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: ((((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8448) && blastFlag == 1) && !(8448 == s__state)) || (((s__s3__tmp__next_state___0 <= 8576 && blastFlag == 0) && s__state <= 8448) && !(8448 == s__state))) || ((((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8448) && !(8448 == s__state)) && s__hit == 0) && 2 == blastFlag) - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: (((((((((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8672) && !(s__state == 8657)) && 8640 <= s__state) && !(s__state == 8672)) && !(s__state == 8656)) && 2 == blastFlag) || (((((s__state <= 8672 && blastFlag == 1) && !(s__state == 8657)) && 8640 <= s__state) && !(s__state == 8672)) && !(s__state == 8656))) || ((((((s__state <= 8672 && s__s3__tmp__next_state___0 <= 8640) && !(s__state == 8657)) && 8640 <= s__state) && !(s__state == 8672)) && !(s__state == 8656)) && !(s__hit == 0))) || ((((((s__state <= 8672 && !(s__state == 8657)) && 8640 <= s__state) && !(s__state == 8672)) && !(s__state == 8656)) && 2 == blastFlag) && !(s__hit == 0))) || (((((blastFlag == 0 && s__state <= 8672) && !(s__state == 8657)) && 8640 <= s__state) && !(s__state == 8672)) && !(s__state == 8656)) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: ((((((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__hit == 0) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag) || (((((((((!(s__state == 8545) && !(s__state == 8480)) && !(s__state == 8544)) && blastFlag == 1) && !(8448 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481))) || ((((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && blastFlag == 0) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((s__s3__tmp__next_state___0 <= 8576 && blastFlag <= 3) && s__state <= 8672) && 8672 <= s__state) || ((s__hit == 0 && s__state == 8512) && 2 == blastFlag)) || (((s__s3__tmp__next_state___0 <= 8576 && s__hit == 0) && s__state <= 8576) && 2 == blastFlag)) || ((((((((((((!(s__state == 8545) && !(s__state == 8480)) && blastFlag == 1) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state == 8592) && 8448 <= s__state) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && s__state <= 8640) && !(s__state == 8481))) || (blastFlag == 1 && s__state <= 3)) || ((s__s3__tmp__next_state___0 <= 8576 && blastFlag == 1) && s__state <= 8576)) || (blastFlag == 0 && s__state == 8544)) || ((((((((((((!(s__state == 8545) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(8496 == s__state)) && blastFlag == 0) && !(s__state == 8544)) && !(8448 == s__state)) && s__state <= 8640) && !(s__state == 8481))) || (((s__s3__tmp__next_state___0 <= 8640 && s__state <= 8640) && 8640 <= s__state) && !(s__hit == 0))) || (blastFlag == 0 && 8560 == s__state)) || (s__s3__tmp__next_state___0 <= 8640 && s__state <= 3)) || ((blastFlag == 1 && s__state <= 8640) && 8640 <= s__state)) || ((((((((!(s__state == 8545) && !(s__state == 8480)) && blastFlag == 1) && !(8448 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481))) || ((((s__state <= 8448 && s__s3__tmp__next_state___0 <= 8640) && 8448 <= s__state) && 8640 <= s__s3__tmp__next_state___0) && !(s__hit == 0))) || (((s__s3__tmp__next_state___0 <= 8576 && s__state == 8592) && s__hit == 0) && 2 == blastFlag)) || ((((s__s3__tmp__next_state___0 <= 3 && blastFlag <= 3) && s__state <= 8448) && s__hit == 0) && 8448 <= s__state)) || ((((s__state <= 8672 && blastFlag == 1) && !(s__state == 8657)) && s__hit == 0) && 8640 <= s__state)) || (((((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8672) && !(s__state == 8657)) && 8640 <= s__state) && !(s__state == 8672)) && 2 == blastFlag)) || (((blastFlag <= 3 && s__state <= 8672) && 8672 <= s__state) && !(s__hit == 0))) || ((s__hit == 0 && 8560 == s__state) && 2 == blastFlag)) || (((s__s3__tmp__next_state___0 <= 8576 && s__state == 8608) && s__hit == 0) && 2 == blastFlag)) || (((blastFlag == 0 && s__state <= 8672) && !(s__state == 8657)) && 8640 <= s__state)) || (2 == blastFlag && s__state <= 3)) || ((s__s3__tmp__next_state___0 <= 8576 && blastFlag == 0) && s__state <= 8576)) || (((((s__state <= 8672 && !(s__state == 8657)) && 8640 <= s__state) && !(s__state == 8672)) && 2 == blastFlag) && !(s__hit == 0))) || (blastFlag == 0 && s__state <= 3)) || ((((((((((((!(s__state == 8545) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state == 8608) && 8448 <= s__state) && !(8496 == s__state)) && blastFlag == 0) && !(s__state == 8544)) && !(8448 == s__state)) && s__state <= 8640) && !(s__state == 8481))) || ((s__state == 8528 && s__hit == 0) && 2 == blastFlag)) || ((s__hit == 0 && s__state == 8544) && 2 == blastFlag)) || ((((((((((((!(s__state == 8545) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state == 8592) && 8448 <= s__state) && !(8496 == s__state)) && blastFlag == 0) && !(s__state == 8544)) && !(8448 == s__state)) && s__state <= 8640) && !(s__state == 8481))) || ((((((((((((!(s__state == 8545) && !(s__state == 8480)) && blastFlag == 1) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state == 8608) && 8448 <= s__state) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && s__state <= 8640) && !(s__state == 8481)) - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: ((((((((((((!(s__state == 8545) && !(8496 == s__state)) && blastFlag == 0) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8640) && 8448 <= s__state) && !(s__state == 8481)) || (((((((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && 8448 <= s__state) && 2 == blastFlag) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && s__state <= 8640) && s__hit == 0) && !(s__state == 8481))) || (((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && blastFlag == 1) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8640) && 8448 <= s__state) && !(s__state == 8481)) - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: !(s__state == 8672) - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: (((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && s__state <= 8576) && s__hit == 0) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag) || (((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && blastFlag == 1) && !(8448 == s__state)) && !(8497 == s__state)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481))) || (((((((((!(s__state == 8545) && !(8496 == s__state)) && blastFlag == 0) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && blastFlag == 1) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) || (((((((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && 2 == blastFlag) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && s__hit == 0) && !(s__state == 8481))) || (((((((((((!(s__state == 8545) && !(8496 == s__state)) && blastFlag == 0) && !(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)) - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: ((((((((((!(8496 == s__state) && !(s__state == 8480)) && blastFlag == 1) && !(8448 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(8497 == s__state)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) || ((((((((((!(8496 == s__state) && !(s__state == 8480)) && !(8448 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(8497 == s__state)) && s__hit == 0) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag)) || (((((((((!(8496 == s__state) && blastFlag == 0) && !(s__state == 8480)) && !(8448 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(8497 == s__state)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: (((((((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8448) && s__hit == 0) && 8448 <= s__state) && 2 == blastFlag) || (((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8448) && blastFlag == 1) && 8448 <= s__state)) || ((((s__state <= 8448 && s__s3__tmp__next_state___0 <= 8640) && 8448 <= s__state) && 8640 <= s__s3__tmp__next_state___0) && !(s__hit == 0))) || (((s__s3__tmp__next_state___0 <= 8576 && blastFlag == 0) && s__state <= 8448) && 8448 <= s__state)) || ((((s__s3__tmp__next_state___0 <= 3 && blastFlag <= 3) && s__state <= 8448) && s__hit == 0) && 8448 <= s__state) - InvariantResult [Line: 124]: 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 <= 8640) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag) || (((((((((((!(s__state == 8545) && !(8496 == s__state)) && blastFlag == 0) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8640) && 8448 <= s__state) && !(s__state == 8481))) || (((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && s__s3__tmp__next_state___0 <= 8640) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8640) && 8448 <= s__state) && !(s__state == 8481))) || (((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && blastFlag == 1) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8640) && 8448 <= s__state) && !(s__state == 8481)) - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: ((((((((((!(8496 == s__state) && !(s__state == 8480)) && blastFlag == 1) && !(8448 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(8497 == s__state)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) || ((((((((((!(8496 == s__state) && !(s__state == 8480)) && !(8448 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(8497 == s__state)) && s__hit == 0) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag)) || (((((((((!(8496 == s__state) && blastFlag == 0) && !(s__state == 8480)) && !(8448 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(8497 == s__state)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: ((((blastFlag == 0 && 8672 <= s__state) && !(12292 == s__state)) || (((blastFlag <= 3 && 8672 <= s__state) && !(12292 == s__state)) && !(s__hit == 0))) || (((s__s3__tmp__next_state___0 <= 8576 && blastFlag <= 3) && 8672 <= s__state) && !(12292 == s__state))) || ((blastFlag == 1 && 8672 <= s__state) && !(12292 == s__state)) - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: ((((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && blastFlag == 1) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) || ((((((((((((!(s__state == 8545) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && 2 == blastFlag) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && s__hit == 0) && !(s__state == 8481))) || (((((((((((!(s__state == 8545) && !(8496 == s__state)) && blastFlag == 0) && !(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)) - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: ((((s__s3__tmp__next_state___0 <= 8576 && s__state == 8608) && s__hit == 0) && 2 == blastFlag) || (blastFlag == 0 && s__state == 8608)) || (blastFlag == 1 && s__state == 8608) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 141 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.0s, OverallIterations: 35, TraceHistogramMax: 19, AutomataDifference: 8.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 16.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6694 SDtfs, 4128 SDslu, 3183 SDs, 0 SdLazy, 3455 SolverSat, 958 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1999 GetRequests, 1954 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4086occurred in iteration=27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.3s AutomataMinimizationTime, 35 MinimizatonAttempts, 4500 StatesRemovedByMinimization, 25 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 28 LocationsWithAnnotation, 28 PreInvPairs, 241 NumberOfFragments, 3347 HoareAnnotationTreeSize, 28 FomulaSimplifications, 155193 FormulaSimplificationTreeSizeReduction, 2.7s HoareSimplificationTime, 28 FomulaSimplificationsInter, 30432 FormulaSimplificationTreeSizeReductionInter, 13.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 9249 NumberOfCodeBlocks, 9249 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 9209 ConstructedInterpolants, 0 QuantifiedInterpolants, 3966998 SizeOfPredicates, 4 NumberOfNonLiveVariables, 3115 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 40 InterpolantComputations, 31 PerfectInterpolantSequences, 30536/30750 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...