/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/bitvector/s3_srvr_3a.BV.c.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-21 23:14:02,588 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-21 23:14:02,593 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-21 23:14:02,655 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-21 23:14:02,656 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-21 23:14:02,660 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-21 23:14:02,663 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-21 23:14:02,672 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-21 23:14:02,676 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-21 23:14:02,684 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-21 23:14:02,685 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-21 23:14:02,687 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-21 23:14:02,687 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-21 23:14:02,690 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-21 23:14:02,693 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-21 23:14:02,694 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-21 23:14:02,695 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-21 23:14:02,700 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-21 23:14:02,708 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-21 23:14:02,714 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-21 23:14:02,719 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-21 23:14:02,721 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-21 23:14:02,723 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-21 23:14:02,727 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-21 23:14:02,737 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-21 23:14:02,746 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-21 23:14:02,747 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-21 23:14:02,748 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-21 23:14:02,749 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-21 23:14:02,750 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-21 23:14:02,764 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-21 23:14:02,765 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-21 23:14:02,766 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-21 23:14:02,766 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-21 23:14:02,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-21 23:14:02,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-21 23:14:02,769 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-21 23:14:02,830 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-21 23:14:02,830 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-21 23:14:02,836 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-21 23:14:02,836 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-21 23:14:02,836 INFO L138 SettingsManager]: * Use SBE=true [2020-12-21 23:14:02,837 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-21 23:14:02,837 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-21 23:14:02,837 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-21 23:14:02,837 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-21 23:14:02,838 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-21 23:14:02,839 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-21 23:14:02,840 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-21 23:14:02,840 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-21 23:14:02,840 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-21 23:14:02,841 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-21 23:14:02,841 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-21 23:14:02,841 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-21 23:14:02,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-21 23:14:02,842 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-21 23:14:02,842 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-21 23:14:02,843 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-21 23:14:02,843 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-21 23:14:02,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-21 23:14:02,843 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-21 23:14:02,844 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-21 23:14:02,844 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-21 23:14:03,319 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-21 23:14:03,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-21 23:14:03,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-21 23:14:03,358 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-21 23:14:03,358 INFO L275 PluginConnector]: CDTParser initialized [2020-12-21 23:14:03,359 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/s3_srvr_3a.BV.c.cil.c [2020-12-21 23:14:03,450 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afaa8ecd6/526d1a19f46d4bd39a253d9bc0d2f12f/FLAGbd42ab1aa [2020-12-21 23:14:04,096 INFO L306 CDTParser]: Found 1 translation units. [2020-12-21 23:14:04,097 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_srvr_3a.BV.c.cil.c [2020-12-21 23:14:04,112 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afaa8ecd6/526d1a19f46d4bd39a253d9bc0d2f12f/FLAGbd42ab1aa [2020-12-21 23:14:04,443 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afaa8ecd6/526d1a19f46d4bd39a253d9bc0d2f12f [2020-12-21 23:14:04,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-21 23:14:04,449 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-21 23:14:04,451 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-21 23:14:04,451 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-21 23:14:04,456 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-21 23:14:04,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 11:14:04" (1/1) ... [2020-12-21 23:14:04,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b22e60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:14:04, skipping insertion in model container [2020-12-21 23:14:04,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 11:14:04" (1/1) ... [2020-12-21 23:14:04,468 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-21 23:14:04,538 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-21 23:14:04,765 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_srvr_3a.BV.c.cil.c[44164,44177] [2020-12-21 23:14:04,774 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-21 23:14:04,784 INFO L203 MainTranslator]: Completed pre-run [2020-12-21 23:14:04,844 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_srvr_3a.BV.c.cil.c[44164,44177] [2020-12-21 23:14:04,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-21 23:14:04,865 INFO L208 MainTranslator]: Completed translation [2020-12-21 23:14:04,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:14:04 WrapperNode [2020-12-21 23:14:04,866 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-21 23:14:04,867 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-21 23:14:04,867 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-21 23:14:04,867 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-21 23:14:04,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:14:04" (1/1) ... [2020-12-21 23:14:04,894 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:14:04" (1/1) ... [2020-12-21 23:14:04,940 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-21 23:14:04,941 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-21 23:14:04,942 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-21 23:14:04,942 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-21 23:14:04,960 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:14:04" (1/1) ... [2020-12-21 23:14:04,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:14:04" (1/1) ... [2020-12-21 23:14:04,972 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:14:04" (1/1) ... [2020-12-21 23:14:04,973 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:14:04" (1/1) ... [2020-12-21 23:14:04,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:14:04" (1/1) ... [2020-12-21 23:14:05,012 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:14:04" (1/1) ... [2020-12-21 23:14:05,019 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:14:04" (1/1) ... [2020-12-21 23:14:05,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-21 23:14:05,033 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-21 23:14:05,033 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-21 23:14:05,033 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-21 23:14:05,035 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:14:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-21 23:14:05,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-21 23:14:05,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-21 23:14:05,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-21 23:14:05,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-21 23:14:05,437 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-21 23:14:06,041 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-12-21 23:14:06,041 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-12-21 23:14:06,051 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-21 23:14:06,051 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-21 23:14:06,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 11:14:06 BoogieIcfgContainer [2020-12-21 23:14:06,054 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-21 23:14:06,055 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-21 23:14:06,055 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-21 23:14:06,059 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-21 23:14:06,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 11:14:04" (1/3) ... [2020-12-21 23:14:06,060 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45dcf41f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 11:14:06, skipping insertion in model container [2020-12-21 23:14:06,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:14:04" (2/3) ... [2020-12-21 23:14:06,060 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45dcf41f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 11:14:06, skipping insertion in model container [2020-12-21 23:14:06,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 11:14:06" (3/3) ... [2020-12-21 23:14:06,062 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_3a.BV.c.cil.c [2020-12-21 23:14:06,069 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-21 23:14:06,074 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-21 23:14:06,093 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-21 23:14:06,118 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-21 23:14:06,118 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-21 23:14:06,118 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-21 23:14:06,119 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-21 23:14:06,119 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-21 23:14:06,119 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-21 23:14:06,119 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-21 23:14:06,119 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-21 23:14:06,137 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2020-12-21 23:14:06,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-21 23:14:06,146 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:06,147 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-21 23:14:06,148 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:06,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:06,154 INFO L82 PathProgramCache]: Analyzing trace with hash 1632003015, now seen corresponding path program 1 times [2020-12-21 23:14:06,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:06,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713226752] [2020-12-21 23:14:06,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:06,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:06,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-21 23:14:06,424 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713226752] [2020-12-21 23:14:06,425 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:06,425 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:06,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977747693] [2020-12-21 23:14:06,431 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:06,432 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:06,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:06,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:06,450 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 3 states. [2020-12-21 23:14:06,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:06,754 INFO L93 Difference]: Finished difference Result 323 states and 559 transitions. [2020-12-21 23:14:06,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:06,757 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2020-12-21 23:14:06,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:06,772 INFO L225 Difference]: With dead ends: 323 [2020-12-21 23:14:06,772 INFO L226 Difference]: Without dead ends: 171 [2020-12-21 23:14:06,776 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:06,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-12-21 23:14:06,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 166. [2020-12-21 23:14:06,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2020-12-21 23:14:06,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 271 transitions. [2020-12-21 23:14:06,836 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 271 transitions. Word has length 44 [2020-12-21 23:14:06,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:06,837 INFO L481 AbstractCegarLoop]: Abstraction has 166 states and 271 transitions. [2020-12-21 23:14:06,837 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:06,838 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 271 transitions. [2020-12-21 23:14:06,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-21 23:14:06,840 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:06,841 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-21 23:14:06,841 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-21 23:14:06,841 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:06,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:06,842 INFO L82 PathProgramCache]: Analyzing trace with hash -954579415, now seen corresponding path program 1 times [2020-12-21 23:14:06,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:06,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088199516] [2020-12-21 23:14:06,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:06,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:06,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-21 23:14:06,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088199516] [2020-12-21 23:14:06,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:06,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:06,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374217671] [2020-12-21 23:14:06,991 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:06,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:06,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:06,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:06,993 INFO L87 Difference]: Start difference. First operand 166 states and 271 transitions. Second operand 3 states. [2020-12-21 23:14:07,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:07,207 INFO L93 Difference]: Finished difference Result 372 states and 616 transitions. [2020-12-21 23:14:07,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:07,207 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2020-12-21 23:14:07,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:07,215 INFO L225 Difference]: With dead ends: 372 [2020-12-21 23:14:07,215 INFO L226 Difference]: Without dead ends: 212 [2020-12-21 23:14:07,220 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:07,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2020-12-21 23:14:07,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 207. [2020-12-21 23:14:07,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2020-12-21 23:14:07,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 348 transitions. [2020-12-21 23:14:07,259 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 348 transitions. Word has length 45 [2020-12-21 23:14:07,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:07,260 INFO L481 AbstractCegarLoop]: Abstraction has 207 states and 348 transitions. [2020-12-21 23:14:07,260 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:07,260 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 348 transitions. [2020-12-21 23:14:07,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-21 23:14:07,264 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:07,266 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-21 23:14:07,266 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-21 23:14:07,267 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:07,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:07,269 INFO L82 PathProgramCache]: Analyzing trace with hash -420309214, now seen corresponding path program 1 times [2020-12-21 23:14:07,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:07,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007431888] [2020-12-21 23:14:07,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:07,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:07,360 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-21 23:14:07,360 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007431888] [2020-12-21 23:14:07,361 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:07,361 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:07,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096207750] [2020-12-21 23:14:07,362 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:07,362 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:07,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:07,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:07,363 INFO L87 Difference]: Start difference. First operand 207 states and 348 transitions. Second operand 3 states. [2020-12-21 23:14:07,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:07,545 INFO L93 Difference]: Finished difference Result 437 states and 742 transitions. [2020-12-21 23:14:07,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:07,546 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2020-12-21 23:14:07,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:07,548 INFO L225 Difference]: With dead ends: 437 [2020-12-21 23:14:07,548 INFO L226 Difference]: Without dead ends: 238 [2020-12-21 23:14:07,549 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:07,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2020-12-21 23:14:07,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2020-12-21 23:14:07,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2020-12-21 23:14:07,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 404 transitions. [2020-12-21 23:14:07,565 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 404 transitions. Word has length 72 [2020-12-21 23:14:07,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:07,565 INFO L481 AbstractCegarLoop]: Abstraction has 238 states and 404 transitions. [2020-12-21 23:14:07,566 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:07,566 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 404 transitions. [2020-12-21 23:14:07,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-21 23:14:07,570 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:07,570 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-21 23:14:07,570 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-21 23:14:07,571 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:07,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:07,571 INFO L82 PathProgramCache]: Analyzing trace with hash -1606429448, now seen corresponding path program 1 times [2020-12-21 23:14:07,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:07,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009906129] [2020-12-21 23:14:07,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:07,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:07,647 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-21 23:14:07,647 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009906129] [2020-12-21 23:14:07,648 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:07,648 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:07,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56999650] [2020-12-21 23:14:07,649 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:07,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:07,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:07,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:07,651 INFO L87 Difference]: Start difference. First operand 238 states and 404 transitions. Second operand 3 states. [2020-12-21 23:14:07,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:07,817 INFO L93 Difference]: Finished difference Result 485 states and 824 transitions. [2020-12-21 23:14:07,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:07,818 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2020-12-21 23:14:07,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:07,820 INFO L225 Difference]: With dead ends: 485 [2020-12-21 23:14:07,820 INFO L226 Difference]: Without dead ends: 255 [2020-12-21 23:14:07,821 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:07,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2020-12-21 23:14:07,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 253. [2020-12-21 23:14:07,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2020-12-21 23:14:07,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 427 transitions. [2020-12-21 23:14:07,855 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 427 transitions. Word has length 84 [2020-12-21 23:14:07,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:07,855 INFO L481 AbstractCegarLoop]: Abstraction has 253 states and 427 transitions. [2020-12-21 23:14:07,855 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:07,856 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 427 transitions. [2020-12-21 23:14:07,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-21 23:14:07,867 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:07,867 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-21 23:14:07,867 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-21 23:14:07,867 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:07,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:07,868 INFO L82 PathProgramCache]: Analyzing trace with hash -1610778141, now seen corresponding path program 1 times [2020-12-21 23:14:07,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:07,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860370564] [2020-12-21 23:14:07,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:07,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:07,967 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-21 23:14:07,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860370564] [2020-12-21 23:14:07,968 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:07,968 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:07,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969927399] [2020-12-21 23:14:07,969 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:07,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:07,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:07,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:07,971 INFO L87 Difference]: Start difference. First operand 253 states and 427 transitions. Second operand 3 states. [2020-12-21 23:14:08,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:08,182 INFO L93 Difference]: Finished difference Result 544 states and 923 transitions. [2020-12-21 23:14:08,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:08,183 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2020-12-21 23:14:08,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:08,185 INFO L225 Difference]: With dead ends: 544 [2020-12-21 23:14:08,186 INFO L226 Difference]: Without dead ends: 299 [2020-12-21 23:14:08,186 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:08,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2020-12-21 23:14:08,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 295. [2020-12-21 23:14:08,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2020-12-21 23:14:08,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 501 transitions. [2020-12-21 23:14:08,197 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 501 transitions. Word has length 84 [2020-12-21 23:14:08,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:08,197 INFO L481 AbstractCegarLoop]: Abstraction has 295 states and 501 transitions. [2020-12-21 23:14:08,197 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:08,198 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 501 transitions. [2020-12-21 23:14:08,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-12-21 23:14:08,199 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:08,199 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-21 23:14:08,199 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-21 23:14:08,200 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:08,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:08,200 INFO L82 PathProgramCache]: Analyzing trace with hash 1470428767, now seen corresponding path program 1 times [2020-12-21 23:14:08,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:08,201 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848636574] [2020-12-21 23:14:08,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:08,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:08,245 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-21 23:14:08,246 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848636574] [2020-12-21 23:14:08,246 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:08,246 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:08,247 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378926482] [2020-12-21 23:14:08,247 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:08,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:08,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:08,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:08,248 INFO L87 Difference]: Start difference. First operand 295 states and 501 transitions. Second operand 3 states. [2020-12-21 23:14:08,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:08,403 INFO L93 Difference]: Finished difference Result 584 states and 992 transitions. [2020-12-21 23:14:08,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:08,404 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2020-12-21 23:14:08,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:08,406 INFO L225 Difference]: With dead ends: 584 [2020-12-21 23:14:08,406 INFO L226 Difference]: Without dead ends: 297 [2020-12-21 23:14:08,407 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:08,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2020-12-21 23:14:08,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 295. [2020-12-21 23:14:08,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2020-12-21 23:14:08,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 497 transitions. [2020-12-21 23:14:08,417 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 497 transitions. Word has length 85 [2020-12-21 23:14:08,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:08,417 INFO L481 AbstractCegarLoop]: Abstraction has 295 states and 497 transitions. [2020-12-21 23:14:08,418 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:08,418 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 497 transitions. [2020-12-21 23:14:08,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-12-21 23:14:08,419 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:08,419 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-21 23:14:08,419 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-21 23:14:08,420 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:08,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:08,420 INFO L82 PathProgramCache]: Analyzing trace with hash -564791579, now seen corresponding path program 1 times [2020-12-21 23:14:08,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:08,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155881540] [2020-12-21 23:14:08,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:08,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:08,471 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-21 23:14:08,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155881540] [2020-12-21 23:14:08,472 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:08,472 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:08,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373974843] [2020-12-21 23:14:08,473 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:08,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:08,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:08,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:08,474 INFO L87 Difference]: Start difference. First operand 295 states and 497 transitions. Second operand 3 states. [2020-12-21 23:14:08,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:08,668 INFO L93 Difference]: Finished difference Result 586 states and 987 transitions. [2020-12-21 23:14:08,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:08,668 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2020-12-21 23:14:08,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:08,671 INFO L225 Difference]: With dead ends: 586 [2020-12-21 23:14:08,671 INFO L226 Difference]: Without dead ends: 297 [2020-12-21 23:14:08,672 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 23:14:08,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2020-12-21 23:14:08,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 293. [2020-12-21 23:14:08,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2020-12-21 23:14:08,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 492 transitions. [2020-12-21 23:14:08,693 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 492 transitions. Word has length 85 [2020-12-21 23:14:08,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:08,693 INFO L481 AbstractCegarLoop]: Abstraction has 293 states and 492 transitions. [2020-12-21 23:14:08,693 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:08,693 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 492 transitions. [2020-12-21 23:14:08,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-12-21 23:14:08,695 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:08,695 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-21 23:14:08,695 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-21 23:14:08,695 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:08,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:08,696 INFO L82 PathProgramCache]: Analyzing trace with hash -378579321, now seen corresponding path program 1 times [2020-12-21 23:14:08,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:08,697 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188647596] [2020-12-21 23:14:08,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:08,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:08,786 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-12-21 23:14:08,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188647596] [2020-12-21 23:14:08,787 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:08,787 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:08,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684216437] [2020-12-21 23:14:08,788 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:08,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:08,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:08,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:08,789 INFO L87 Difference]: Start difference. First operand 293 states and 492 transitions. Second operand 3 states. [2020-12-21 23:14:08,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:08,937 INFO L93 Difference]: Finished difference Result 586 states and 983 transitions. [2020-12-21 23:14:08,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:08,937 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2020-12-21 23:14:08,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:08,940 INFO L225 Difference]: With dead ends: 586 [2020-12-21 23:14:08,940 INFO L226 Difference]: Without dead ends: 301 [2020-12-21 23:14:08,941 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:08,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2020-12-21 23:14:08,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 301. [2020-12-21 23:14:08,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2020-12-21 23:14:08,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 497 transitions. [2020-12-21 23:14:08,953 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 497 transitions. Word has length 96 [2020-12-21 23:14:08,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:08,954 INFO L481 AbstractCegarLoop]: Abstraction has 301 states and 497 transitions. [2020-12-21 23:14:08,954 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:08,954 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 497 transitions. [2020-12-21 23:14:08,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-12-21 23:14:08,955 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:08,956 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-21 23:14:08,956 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-21 23:14:08,956 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:08,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:08,957 INFO L82 PathProgramCache]: Analyzing trace with hash 183697243, now seen corresponding path program 1 times [2020-12-21 23:14:08,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:08,957 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033492971] [2020-12-21 23:14:08,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:08,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:09,002 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-21 23:14:09,002 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033492971] [2020-12-21 23:14:09,003 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:09,003 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:09,003 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913632694] [2020-12-21 23:14:09,003 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:09,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:09,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:09,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:09,005 INFO L87 Difference]: Start difference. First operand 301 states and 497 transitions. Second operand 3 states. [2020-12-21 23:14:09,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:09,175 INFO L93 Difference]: Finished difference Result 625 states and 1035 transitions. [2020-12-21 23:14:09,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:09,176 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-12-21 23:14:09,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:09,179 INFO L225 Difference]: With dead ends: 625 [2020-12-21 23:14:09,179 INFO L226 Difference]: Without dead ends: 332 [2020-12-21 23:14:09,180 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:09,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2020-12-21 23:14:09,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 330. [2020-12-21 23:14:09,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 330 states. [2020-12-21 23:14:09,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 544 transitions. [2020-12-21 23:14:09,193 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 544 transitions. Word has length 98 [2020-12-21 23:14:09,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:09,194 INFO L481 AbstractCegarLoop]: Abstraction has 330 states and 544 transitions. [2020-12-21 23:14:09,194 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:09,194 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 544 transitions. [2020-12-21 23:14:09,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-12-21 23:14:09,195 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:09,195 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-21 23:14:09,196 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-21 23:14:09,196 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:09,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:09,196 INFO L82 PathProgramCache]: Analyzing trace with hash 156444990, now seen corresponding path program 1 times [2020-12-21 23:14:09,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:09,197 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895418822] [2020-12-21 23:14:09,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:09,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:09,247 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-21 23:14:09,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895418822] [2020-12-21 23:14:09,248 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:09,248 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:09,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674272548] [2020-12-21 23:14:09,249 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:09,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:09,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:09,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:09,250 INFO L87 Difference]: Start difference. First operand 330 states and 544 transitions. Second operand 3 states. [2020-12-21 23:14:09,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:09,459 INFO L93 Difference]: Finished difference Result 686 states and 1135 transitions. [2020-12-21 23:14:09,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:09,460 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2020-12-21 23:14:09,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:09,462 INFO L225 Difference]: With dead ends: 686 [2020-12-21 23:14:09,463 INFO L226 Difference]: Without dead ends: 364 [2020-12-21 23:14:09,463 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:09,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2020-12-21 23:14:09,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 357. [2020-12-21 23:14:09,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2020-12-21 23:14:09,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 586 transitions. [2020-12-21 23:14:09,478 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 586 transitions. Word has length 99 [2020-12-21 23:14:09,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:09,478 INFO L481 AbstractCegarLoop]: Abstraction has 357 states and 586 transitions. [2020-12-21 23:14:09,478 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:09,478 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 586 transitions. [2020-12-21 23:14:09,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-12-21 23:14:09,480 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:09,480 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-21 23:14:09,480 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-21 23:14:09,480 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:09,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:09,481 INFO L82 PathProgramCache]: Analyzing trace with hash -2130209566, now seen corresponding path program 1 times [2020-12-21 23:14:09,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:09,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454667097] [2020-12-21 23:14:09,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:09,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:09,524 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-21 23:14:09,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454667097] [2020-12-21 23:14:09,525 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:09,525 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:09,525 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758688974] [2020-12-21 23:14:09,526 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:09,526 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:09,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:09,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:09,527 INFO L87 Difference]: Start difference. First operand 357 states and 586 transitions. Second operand 3 states. [2020-12-21 23:14:09,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:09,785 INFO L93 Difference]: Finished difference Result 708 states and 1162 transitions. [2020-12-21 23:14:09,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:09,786 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2020-12-21 23:14:09,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:09,790 INFO L225 Difference]: With dead ends: 708 [2020-12-21 23:14:09,790 INFO L226 Difference]: Without dead ends: 359 [2020-12-21 23:14:09,792 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:09,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2020-12-21 23:14:09,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 357. [2020-12-21 23:14:09,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2020-12-21 23:14:09,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 582 transitions. [2020-12-21 23:14:09,814 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 582 transitions. Word has length 99 [2020-12-21 23:14:09,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:09,815 INFO L481 AbstractCegarLoop]: Abstraction has 357 states and 582 transitions. [2020-12-21 23:14:09,815 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:09,815 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 582 transitions. [2020-12-21 23:14:09,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-12-21 23:14:09,817 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:09,817 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-21 23:14:09,817 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-21 23:14:09,817 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:09,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:09,818 INFO L82 PathProgramCache]: Analyzing trace with hash -417318601, now seen corresponding path program 1 times [2020-12-21 23:14:09,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:09,819 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596288733] [2020-12-21 23:14:09,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:09,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:09,917 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-21 23:14:09,918 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596288733] [2020-12-21 23:14:09,918 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:09,918 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:09,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959084403] [2020-12-21 23:14:09,919 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:09,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:09,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:09,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:09,921 INFO L87 Difference]: Start difference. First operand 357 states and 582 transitions. Second operand 3 states. [2020-12-21 23:14:10,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:10,160 INFO L93 Difference]: Finished difference Result 713 states and 1164 transitions. [2020-12-21 23:14:10,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:10,160 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2020-12-21 23:14:10,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:10,163 INFO L225 Difference]: With dead ends: 713 [2020-12-21 23:14:10,163 INFO L226 Difference]: Without dead ends: 364 [2020-12-21 23:14:10,164 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:10,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2020-12-21 23:14:10,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 357. [2020-12-21 23:14:10,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2020-12-21 23:14:10,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 577 transitions. [2020-12-21 23:14:10,199 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 577 transitions. Word has length 100 [2020-12-21 23:14:10,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:10,200 INFO L481 AbstractCegarLoop]: Abstraction has 357 states and 577 transitions. [2020-12-21 23:14:10,200 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:10,200 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 577 transitions. [2020-12-21 23:14:10,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-12-21 23:14:10,203 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:10,203 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-21 23:14:10,204 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-21 23:14:10,204 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:10,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:10,205 INFO L82 PathProgramCache]: Analyzing trace with hash -1321281040, now seen corresponding path program 1 times [2020-12-21 23:14:10,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:10,205 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156302094] [2020-12-21 23:14:10,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:10,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:10,273 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-12-21 23:14:10,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156302094] [2020-12-21 23:14:10,274 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:10,274 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:10,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905293354] [2020-12-21 23:14:10,275 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:10,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:10,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:10,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:10,277 INFO L87 Difference]: Start difference. First operand 357 states and 577 transitions. Second operand 3 states. [2020-12-21 23:14:10,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:10,440 INFO L93 Difference]: Finished difference Result 731 states and 1183 transitions. [2020-12-21 23:14:10,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:10,441 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2020-12-21 23:14:10,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:10,443 INFO L225 Difference]: With dead ends: 731 [2020-12-21 23:14:10,443 INFO L226 Difference]: Without dead ends: 382 [2020-12-21 23:14:10,450 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:10,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2020-12-21 23:14:10,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 378. [2020-12-21 23:14:10,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 378 states. [2020-12-21 23:14:10,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 606 transitions. [2020-12-21 23:14:10,466 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 606 transitions. Word has length 105 [2020-12-21 23:14:10,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:10,467 INFO L481 AbstractCegarLoop]: Abstraction has 378 states and 606 transitions. [2020-12-21 23:14:10,468 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:10,469 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 606 transitions. [2020-12-21 23:14:10,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-12-21 23:14:10,471 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:10,471 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-21 23:14:10,471 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-21 23:14:10,472 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:10,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:10,473 INFO L82 PathProgramCache]: Analyzing trace with hash 1276596489, now seen corresponding path program 1 times [2020-12-21 23:14:10,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:10,474 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618918765] [2020-12-21 23:14:10,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:10,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:10,546 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-12-21 23:14:10,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618918765] [2020-12-21 23:14:10,548 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:10,548 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:10,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710969291] [2020-12-21 23:14:10,548 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:10,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:10,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:10,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:10,549 INFO L87 Difference]: Start difference. First operand 378 states and 606 transitions. Second operand 3 states. [2020-12-21 23:14:10,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:10,717 INFO L93 Difference]: Finished difference Result 752 states and 1206 transitions. [2020-12-21 23:14:10,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:10,718 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2020-12-21 23:14:10,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:10,722 INFO L225 Difference]: With dead ends: 752 [2020-12-21 23:14:10,722 INFO L226 Difference]: Without dead ends: 382 [2020-12-21 23:14:10,724 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:10,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2020-12-21 23:14:10,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 378. [2020-12-21 23:14:10,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 378 states. [2020-12-21 23:14:10,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 600 transitions. [2020-12-21 23:14:10,742 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 600 transitions. Word has length 106 [2020-12-21 23:14:10,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:10,742 INFO L481 AbstractCegarLoop]: Abstraction has 378 states and 600 transitions. [2020-12-21 23:14:10,742 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:10,742 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 600 transitions. [2020-12-21 23:14:10,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-21 23:14:10,744 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:10,744 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-21 23:14:10,745 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-21 23:14:10,745 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:10,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:10,745 INFO L82 PathProgramCache]: Analyzing trace with hash -687746511, now seen corresponding path program 1 times [2020-12-21 23:14:10,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:10,746 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365867635] [2020-12-21 23:14:10,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:10,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:10,799 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-21 23:14:10,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365867635] [2020-12-21 23:14:10,800 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:10,800 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:10,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376049051] [2020-12-21 23:14:10,801 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:10,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:10,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:10,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:10,802 INFO L87 Difference]: Start difference. First operand 378 states and 600 transitions. Second operand 3 states. [2020-12-21 23:14:10,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:10,859 INFO L93 Difference]: Finished difference Result 1072 states and 1706 transitions. [2020-12-21 23:14:10,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:10,859 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-12-21 23:14:10,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:10,863 INFO L225 Difference]: With dead ends: 1072 [2020-12-21 23:14:10,864 INFO L226 Difference]: Without dead ends: 702 [2020-12-21 23:14:10,866 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:10,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2020-12-21 23:14:10,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 702. [2020-12-21 23:14:10,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 702 states. [2020-12-21 23:14:10,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 1113 transitions. [2020-12-21 23:14:10,896 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 1113 transitions. Word has length 121 [2020-12-21 23:14:10,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:10,897 INFO L481 AbstractCegarLoop]: Abstraction has 702 states and 1113 transitions. [2020-12-21 23:14:10,897 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:10,897 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 1113 transitions. [2020-12-21 23:14:10,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-21 23:14:10,899 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:10,899 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-21 23:14:10,899 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-21 23:14:10,900 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:10,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:10,900 INFO L82 PathProgramCache]: Analyzing trace with hash 209646767, now seen corresponding path program 1 times [2020-12-21 23:14:10,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:10,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840513135] [2020-12-21 23:14:10,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:10,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:10,981 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-21 23:14:10,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840513135] [2020-12-21 23:14:10,984 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:10,984 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:10,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538778571] [2020-12-21 23:14:10,985 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:10,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:10,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:10,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:10,986 INFO L87 Difference]: Start difference. First operand 702 states and 1113 transitions. Second operand 3 states. [2020-12-21 23:14:11,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:11,050 INFO L93 Difference]: Finished difference Result 1072 states and 1701 transitions. [2020-12-21 23:14:11,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:11,051 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-12-21 23:14:11,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:11,061 INFO L225 Difference]: With dead ends: 1072 [2020-12-21 23:14:11,061 INFO L226 Difference]: Without dead ends: 1070 [2020-12-21 23:14:11,061 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:11,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2020-12-21 23:14:11,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 1070. [2020-12-21 23:14:11,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1070 states. [2020-12-21 23:14:11,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 1070 states and 1699 transitions. [2020-12-21 23:14:11,124 INFO L78 Accepts]: Start accepts. Automaton has 1070 states and 1699 transitions. Word has length 121 [2020-12-21 23:14:11,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:11,125 INFO L481 AbstractCegarLoop]: Abstraction has 1070 states and 1699 transitions. [2020-12-21 23:14:11,125 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:11,125 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 1699 transitions. [2020-12-21 23:14:11,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-12-21 23:14:11,130 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:11,130 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-21 23:14:11,131 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-21 23:14:11,131 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:11,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:11,132 INFO L82 PathProgramCache]: Analyzing trace with hash -1473242480, now seen corresponding path program 1 times [2020-12-21 23:14:11,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:11,132 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689832942] [2020-12-21 23:14:11,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:11,148 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-21 23:14:11,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1377143704] [2020-12-21 23:14:11,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-21 23:14:11,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:11,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-21 23:14:11,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-21 23:14:11,550 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-12-21 23:14:11,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689832942] [2020-12-21 23:14:11,554 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-21 23:14:11,554 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1377143704] [2020-12-21 23:14:11,555 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:11,555 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:11,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493256308] [2020-12-21 23:14:11,556 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:11,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:11,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:11,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:11,560 INFO L87 Difference]: Start difference. First operand 1070 states and 1699 transitions. Second operand 3 states. [2020-12-21 23:14:11,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:11,697 INFO L93 Difference]: Finished difference Result 2500 states and 3972 transitions. [2020-12-21 23:14:11,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:11,698 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2020-12-21 23:14:11,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:11,706 INFO L225 Difference]: With dead ends: 2500 [2020-12-21 23:14:11,707 INFO L226 Difference]: Without dead ends: 1438 [2020-12-21 23:14:11,709 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:11,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1438 states. [2020-12-21 23:14:11,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1438 to 1438. [2020-12-21 23:14:11,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1438 states. [2020-12-21 23:14:11,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 1438 states and 2282 transitions. [2020-12-21 23:14:11,780 INFO L78 Accepts]: Start accepts. Automaton has 1438 states and 2282 transitions. Word has length 122 [2020-12-21 23:14:11,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:11,781 INFO L481 AbstractCegarLoop]: Abstraction has 1438 states and 2282 transitions. [2020-12-21 23:14:11,781 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:11,781 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 2282 transitions. [2020-12-21 23:14:11,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-12-21 23:14:11,786 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:11,786 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-21 23:14:12,000 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-12-21 23:14:12,001 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:12,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:12,002 INFO L82 PathProgramCache]: Analyzing trace with hash -1161393041, now seen corresponding path program 1 times [2020-12-21 23:14:12,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:12,003 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133321827] [2020-12-21 23:14:12,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:12,016 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-21 23:14:12,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [726508020] [2020-12-21 23:14:12,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-21 23:14:12,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:12,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-21 23:14:12,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-21 23:14:12,258 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-12-21 23:14:12,258 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133321827] [2020-12-21 23:14:12,258 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-21 23:14:12,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [726508020] [2020-12-21 23:14:12,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:12,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:12,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007870176] [2020-12-21 23:14:12,260 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:12,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:12,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:12,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:12,261 INFO L87 Difference]: Start difference. First operand 1438 states and 2282 transitions. Second operand 3 states. [2020-12-21 23:14:12,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:12,354 INFO L93 Difference]: Finished difference Result 2868 states and 4555 transitions. [2020-12-21 23:14:12,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:12,355 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2020-12-21 23:14:12,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:12,364 INFO L225 Difference]: With dead ends: 2868 [2020-12-21 23:14:12,364 INFO L226 Difference]: Without dead ends: 1806 [2020-12-21 23:14:12,366 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:12,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1806 states. [2020-12-21 23:14:12,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1806 to 1806. [2020-12-21 23:14:12,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1806 states. [2020-12-21 23:14:12,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 1806 states and 2866 transitions. [2020-12-21 23:14:12,465 INFO L78 Accepts]: Start accepts. Automaton has 1806 states and 2866 transitions. Word has length 138 [2020-12-21 23:14:12,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:12,465 INFO L481 AbstractCegarLoop]: Abstraction has 1806 states and 2866 transitions. [2020-12-21 23:14:12,465 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:12,466 INFO L276 IsEmpty]: Start isEmpty. Operand 1806 states and 2866 transitions. [2020-12-21 23:14:12,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-12-21 23:14:12,472 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:12,472 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-21 23:14:12,686 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2020-12-21 23:14:12,687 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:12,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:12,688 INFO L82 PathProgramCache]: Analyzing trace with hash 230274424, now seen corresponding path program 1 times [2020-12-21 23:14:12,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:12,689 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775475356] [2020-12-21 23:14:12,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:12,704 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-21 23:14:12,704 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [494767326] [2020-12-21 23:14:12,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-21 23:14:12,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:12,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-21 23:14:12,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-21 23:14:12,987 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 255 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-12-21 23:14:12,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775475356] [2020-12-21 23:14:12,987 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-21 23:14:12,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [494767326] [2020-12-21 23:14:12,988 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:12,988 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:12,988 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280749418] [2020-12-21 23:14:12,989 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:12,989 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:12,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:12,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:12,990 INFO L87 Difference]: Start difference. First operand 1806 states and 2866 transitions. Second operand 3 states. [2020-12-21 23:14:13,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:13,242 INFO L93 Difference]: Finished difference Result 3649 states and 5775 transitions. [2020-12-21 23:14:13,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:13,243 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 199 [2020-12-21 23:14:13,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:13,253 INFO L225 Difference]: With dead ends: 3649 [2020-12-21 23:14:13,253 INFO L226 Difference]: Without dead ends: 1851 [2020-12-21 23:14:13,256 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:13,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1851 states. [2020-12-21 23:14:13,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1851 to 1806. [2020-12-21 23:14:13,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1806 states. [2020-12-21 23:14:13,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 1806 states and 2794 transitions. [2020-12-21 23:14:13,329 INFO L78 Accepts]: Start accepts. Automaton has 1806 states and 2794 transitions. Word has length 199 [2020-12-21 23:14:13,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:13,329 INFO L481 AbstractCegarLoop]: Abstraction has 1806 states and 2794 transitions. [2020-12-21 23:14:13,330 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:13,330 INFO L276 IsEmpty]: Start isEmpty. Operand 1806 states and 2794 transitions. [2020-12-21 23:14:13,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-12-21 23:14:13,335 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:13,335 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-21 23:14:13,549 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-21 23:14:13,550 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:13,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:13,551 INFO L82 PathProgramCache]: Analyzing trace with hash 1368505586, now seen corresponding path program 1 times [2020-12-21 23:14:13,551 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:13,552 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556569855] [2020-12-21 23:14:13,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:13,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:13,649 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2020-12-21 23:14:13,649 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556569855] [2020-12-21 23:14:13,649 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:13,649 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:13,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280102678] [2020-12-21 23:14:13,651 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:13,655 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:13,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:13,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:13,656 INFO L87 Difference]: Start difference. First operand 1806 states and 2794 transitions. Second operand 3 states. [2020-12-21 23:14:13,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:13,923 INFO L93 Difference]: Finished difference Result 3666 states and 5648 transitions. [2020-12-21 23:14:13,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:13,924 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 212 [2020-12-21 23:14:13,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:13,934 INFO L225 Difference]: With dead ends: 3666 [2020-12-21 23:14:13,935 INFO L226 Difference]: Without dead ends: 1868 [2020-12-21 23:14:13,938 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:13,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1868 states. [2020-12-21 23:14:14,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1868 to 1806. [2020-12-21 23:14:14,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1806 states. [2020-12-21 23:14:14,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 1806 states and 2716 transitions. [2020-12-21 23:14:14,017 INFO L78 Accepts]: Start accepts. Automaton has 1806 states and 2716 transitions. Word has length 212 [2020-12-21 23:14:14,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:14,017 INFO L481 AbstractCegarLoop]: Abstraction has 1806 states and 2716 transitions. [2020-12-21 23:14:14,018 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:14,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1806 states and 2716 transitions. [2020-12-21 23:14:14,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-12-21 23:14:14,024 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:14,024 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-21 23:14:14,025 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-21 23:14:14,025 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:14,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:14,025 INFO L82 PathProgramCache]: Analyzing trace with hash 1759452965, now seen corresponding path program 1 times [2020-12-21 23:14:14,026 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:14,026 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537155529] [2020-12-21 23:14:14,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:14,044 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-21 23:14:14,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1434080506] [2020-12-21 23:14:14,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-21 23:14:14,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:14,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-21 23:14:14,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-21 23:14:14,430 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 362 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2020-12-21 23:14:14,433 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537155529] [2020-12-21 23:14:14,434 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-21 23:14:14,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1434080506] [2020-12-21 23:14:14,434 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:14,434 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:14,435 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118511693] [2020-12-21 23:14:14,435 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:14,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:14,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:14,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:14,438 INFO L87 Difference]: Start difference. First operand 1806 states and 2716 transitions. Second operand 3 states. [2020-12-21 23:14:14,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:14,653 INFO L93 Difference]: Finished difference Result 3844 states and 5780 transitions. [2020-12-21 23:14:14,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:14,654 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 241 [2020-12-21 23:14:14,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:14,664 INFO L225 Difference]: With dead ends: 3844 [2020-12-21 23:14:14,664 INFO L226 Difference]: Without dead ends: 1921 [2020-12-21 23:14:14,668 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:14,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1921 states. [2020-12-21 23:14:14,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1921 to 1876. [2020-12-21 23:14:14,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1876 states. [2020-12-21 23:14:14,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1876 states to 1876 states and 2771 transitions. [2020-12-21 23:14:14,762 INFO L78 Accepts]: Start accepts. Automaton has 1876 states and 2771 transitions. Word has length 241 [2020-12-21 23:14:14,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:14,763 INFO L481 AbstractCegarLoop]: Abstraction has 1876 states and 2771 transitions. [2020-12-21 23:14:14,763 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:14,763 INFO L276 IsEmpty]: Start isEmpty. Operand 1876 states and 2771 transitions. [2020-12-21 23:14:14,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-12-21 23:14:14,771 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:14,771 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-21 23:14:14,985 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-21 23:14:14,986 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:14,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:14,987 INFO L82 PathProgramCache]: Analyzing trace with hash 1825507112, now seen corresponding path program 1 times [2020-12-21 23:14:14,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:14,988 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032919617] [2020-12-21 23:14:14,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:15,007 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-21 23:14:15,008 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [527177561] [2020-12-21 23:14:15,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-21 23:14:15,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:15,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-21 23:14:15,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-21 23:14:15,297 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2020-12-21 23:14:15,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032919617] [2020-12-21 23:14:15,298 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-21 23:14:15,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [527177561] [2020-12-21 23:14:15,298 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:15,298 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:15,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832438800] [2020-12-21 23:14:15,299 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:15,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:15,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:15,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:15,304 INFO L87 Difference]: Start difference. First operand 1876 states and 2771 transitions. Second operand 3 states. [2020-12-21 23:14:15,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:15,530 INFO L93 Difference]: Finished difference Result 3789 states and 5585 transitions. [2020-12-21 23:14:15,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:15,531 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 255 [2020-12-21 23:14:15,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:15,541 INFO L225 Difference]: With dead ends: 3789 [2020-12-21 23:14:15,541 INFO L226 Difference]: Without dead ends: 1921 [2020-12-21 23:14:15,545 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:15,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1921 states. [2020-12-21 23:14:15,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1921 to 1876. [2020-12-21 23:14:15,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1876 states. [2020-12-21 23:14:15,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1876 states to 1876 states and 2701 transitions. [2020-12-21 23:14:15,633 INFO L78 Accepts]: Start accepts. Automaton has 1876 states and 2701 transitions. Word has length 255 [2020-12-21 23:14:15,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:15,633 INFO L481 AbstractCegarLoop]: Abstraction has 1876 states and 2701 transitions. [2020-12-21 23:14:15,633 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:15,633 INFO L276 IsEmpty]: Start isEmpty. Operand 1876 states and 2701 transitions. [2020-12-21 23:14:15,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-12-21 23:14:15,640 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:15,641 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-21 23:14:15,856 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2020-12-21 23:14:15,857 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:15,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:15,858 INFO L82 PathProgramCache]: Analyzing trace with hash 1622703552, now seen corresponding path program 1 times [2020-12-21 23:14:15,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:15,859 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277098833] [2020-12-21 23:14:15,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:15,879 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-21 23:14:15,880 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2088646476] [2020-12-21 23:14:15,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-21 23:14:15,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:16,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-21 23:14:16,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-21 23:14:16,312 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 429 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2020-12-21 23:14:16,312 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277098833] [2020-12-21 23:14:16,312 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-21 23:14:16,312 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2088646476] [2020-12-21 23:14:16,313 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:16,313 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:16,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752469109] [2020-12-21 23:14:16,313 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:16,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:16,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:16,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:16,314 INFO L87 Difference]: Start difference. First operand 1876 states and 2701 transitions. Second operand 3 states. [2020-12-21 23:14:16,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:16,446 INFO L93 Difference]: Finished difference Result 5592 states and 8059 transitions. [2020-12-21 23:14:16,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:16,447 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 269 [2020-12-21 23:14:16,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:16,467 INFO L225 Difference]: With dead ends: 5592 [2020-12-21 23:14:16,467 INFO L226 Difference]: Without dead ends: 3724 [2020-12-21 23:14:16,471 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:16,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3724 states. [2020-12-21 23:14:16,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3724 to 3722. [2020-12-21 23:14:16,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3722 states. [2020-12-21 23:14:16,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3722 states to 3722 states and 5354 transitions. [2020-12-21 23:14:16,689 INFO L78 Accepts]: Start accepts. Automaton has 3722 states and 5354 transitions. Word has length 269 [2020-12-21 23:14:16,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:16,690 INFO L481 AbstractCegarLoop]: Abstraction has 3722 states and 5354 transitions. [2020-12-21 23:14:16,690 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:16,690 INFO L276 IsEmpty]: Start isEmpty. Operand 3722 states and 5354 transitions. [2020-12-21 23:14:16,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2020-12-21 23:14:16,704 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:16,705 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-21 23:14:16,919 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-21 23:14:16,919 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:16,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:16,920 INFO L82 PathProgramCache]: Analyzing trace with hash -1812515673, now seen corresponding path program 1 times [2020-12-21 23:14:16,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:16,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069327752] [2020-12-21 23:14:16,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:16,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:17,053 INFO L134 CoverageAnalysis]: Checked inductivity of 877 backedges. 297 proven. 0 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2020-12-21 23:14:17,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069327752] [2020-12-21 23:14:17,054 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:17,054 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:17,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795127754] [2020-12-21 23:14:17,055 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:17,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:17,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:17,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:17,056 INFO L87 Difference]: Start difference. First operand 3722 states and 5354 transitions. Second operand 3 states. [2020-12-21 23:14:17,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:17,402 INFO L93 Difference]: Finished difference Result 7581 states and 10901 transitions. [2020-12-21 23:14:17,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:17,402 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 307 [2020-12-21 23:14:17,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:17,445 INFO L225 Difference]: With dead ends: 7581 [2020-12-21 23:14:17,445 INFO L226 Difference]: Without dead ends: 3867 [2020-12-21 23:14:17,452 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:17,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3867 states. [2020-12-21 23:14:17,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3867 to 3837. [2020-12-21 23:14:17,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3837 states. [2020-12-21 23:14:17,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3837 states to 3837 states and 5494 transitions. [2020-12-21 23:14:17,644 INFO L78 Accepts]: Start accepts. Automaton has 3837 states and 5494 transitions. Word has length 307 [2020-12-21 23:14:17,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:17,645 INFO L481 AbstractCegarLoop]: Abstraction has 3837 states and 5494 transitions. [2020-12-21 23:14:17,645 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:17,645 INFO L276 IsEmpty]: Start isEmpty. Operand 3837 states and 5494 transitions. [2020-12-21 23:14:17,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2020-12-21 23:14:17,658 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:17,658 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-21 23:14:17,658 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-21 23:14:17,658 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:17,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:17,659 INFO L82 PathProgramCache]: Analyzing trace with hash -1267987889, now seen corresponding path program 1 times [2020-12-21 23:14:17,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:17,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718057339] [2020-12-21 23:14:17,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:17,682 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-21 23:14:17,682 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [240431140] [2020-12-21 23:14:17,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-21 23:14:17,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:17,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-21 23:14:17,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-21 23:14:18,144 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 564 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2020-12-21 23:14:18,144 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718057339] [2020-12-21 23:14:18,145 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-21 23:14:18,145 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [240431140] [2020-12-21 23:14:18,145 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:18,145 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:18,145 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115070081] [2020-12-21 23:14:18,146 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:18,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:18,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:18,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:18,147 INFO L87 Difference]: Start difference. First operand 3837 states and 5494 transitions. Second operand 3 states. [2020-12-21 23:14:18,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:18,363 INFO L93 Difference]: Finished difference Result 7666 states and 10976 transitions. [2020-12-21 23:14:18,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:18,364 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 320 [2020-12-21 23:14:18,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:18,370 INFO L225 Difference]: With dead ends: 7666 [2020-12-21 23:14:18,370 INFO L226 Difference]: Without dead ends: 2264 [2020-12-21 23:14:18,376 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:18,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2264 states. [2020-12-21 23:14:18,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2264 to 2264. [2020-12-21 23:14:18,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2264 states. [2020-12-21 23:14:18,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2264 states to 2264 states and 3184 transitions. [2020-12-21 23:14:18,477 INFO L78 Accepts]: Start accepts. Automaton has 2264 states and 3184 transitions. Word has length 320 [2020-12-21 23:14:18,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:18,478 INFO L481 AbstractCegarLoop]: Abstraction has 2264 states and 3184 transitions. [2020-12-21 23:14:18,478 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:18,478 INFO L276 IsEmpty]: Start isEmpty. Operand 2264 states and 3184 transitions. [2020-12-21 23:14:18,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2020-12-21 23:14:18,489 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:18,489 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-21 23:14:18,702 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2020-12-21 23:14:18,702 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:18,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:18,704 INFO L82 PathProgramCache]: Analyzing trace with hash 493001237, now seen corresponding path program 1 times [2020-12-21 23:14:18,704 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:18,704 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97783428] [2020-12-21 23:14:18,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:18,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:18,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1030 backedges. 435 proven. 0 refuted. 0 times theorem prover too weak. 595 trivial. 0 not checked. [2020-12-21 23:14:18,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97783428] [2020-12-21 23:14:18,844 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:18,844 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:18,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349658188] [2020-12-21 23:14:18,845 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:18,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:18,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:18,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:18,846 INFO L87 Difference]: Start difference. First operand 2264 states and 3184 transitions. Second operand 3 states. [2020-12-21 23:14:19,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:19,032 INFO L93 Difference]: Finished difference Result 4742 states and 6692 transitions. [2020-12-21 23:14:19,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:19,032 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 327 [2020-12-21 23:14:19,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:19,038 INFO L225 Difference]: With dead ends: 4742 [2020-12-21 23:14:19,038 INFO L226 Difference]: Without dead ends: 2486 [2020-12-21 23:14:19,041 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:19,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2486 states. [2020-12-21 23:14:19,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2486 to 2414. [2020-12-21 23:14:19,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2414 states. [2020-12-21 23:14:19,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2414 states to 2414 states and 3364 transitions. [2020-12-21 23:14:19,124 INFO L78 Accepts]: Start accepts. Automaton has 2414 states and 3364 transitions. Word has length 327 [2020-12-21 23:14:19,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:19,124 INFO L481 AbstractCegarLoop]: Abstraction has 2414 states and 3364 transitions. [2020-12-21 23:14:19,124 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:19,125 INFO L276 IsEmpty]: Start isEmpty. Operand 2414 states and 3364 transitions. [2020-12-21 23:14:19,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2020-12-21 23:14:19,134 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:19,134 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-21 23:14:19,135 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-21 23:14:19,135 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:19,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:19,135 INFO L82 PathProgramCache]: Analyzing trace with hash -1757399063, now seen corresponding path program 1 times [2020-12-21 23:14:19,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:19,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248735714] [2020-12-21 23:14:19,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:19,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:19,354 INFO L134 CoverageAnalysis]: Checked inductivity of 1215 backedges. 587 proven. 0 refuted. 0 times theorem prover too weak. 628 trivial. 0 not checked. [2020-12-21 23:14:19,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248735714] [2020-12-21 23:14:19,355 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:19,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:19,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923091820] [2020-12-21 23:14:19,356 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:19,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:19,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:19,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:19,357 INFO L87 Difference]: Start difference. First operand 2414 states and 3364 transitions. Second operand 3 states. [2020-12-21 23:14:19,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:19,561 INFO L93 Difference]: Finished difference Result 4862 states and 6788 transitions. [2020-12-21 23:14:19,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:19,562 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 353 [2020-12-21 23:14:19,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:19,568 INFO L225 Difference]: With dead ends: 4862 [2020-12-21 23:14:19,568 INFO L226 Difference]: Without dead ends: 2456 [2020-12-21 23:14:19,572 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:19,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2456 states. [2020-12-21 23:14:19,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2456 to 2414. [2020-12-21 23:14:19,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2414 states. [2020-12-21 23:14:19,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2414 states to 2414 states and 3316 transitions. [2020-12-21 23:14:19,650 INFO L78 Accepts]: Start accepts. Automaton has 2414 states and 3316 transitions. Word has length 353 [2020-12-21 23:14:19,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:19,650 INFO L481 AbstractCegarLoop]: Abstraction has 2414 states and 3316 transitions. [2020-12-21 23:14:19,650 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:19,650 INFO L276 IsEmpty]: Start isEmpty. Operand 2414 states and 3316 transitions. [2020-12-21 23:14:19,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2020-12-21 23:14:19,661 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:19,661 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-21 23:14:19,661 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-21 23:14:19,662 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:19,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:19,662 INFO L82 PathProgramCache]: Analyzing trace with hash -1876884711, now seen corresponding path program 1 times [2020-12-21 23:14:19,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:19,662 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145038437] [2020-12-21 23:14:19,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:19,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:19,849 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 905 proven. 26 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2020-12-21 23:14:19,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145038437] [2020-12-21 23:14:19,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1865168284] [2020-12-21 23:14:19,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-21 23:14:19,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:19,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-21 23:14:19,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-21 23:14:20,351 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 905 proven. 26 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2020-12-21 23:14:20,351 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-21 23:14:20,351 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-12-21 23:14:20,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726323329] [2020-12-21 23:14:20,352 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-21 23:14:20,353 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:20,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-21 23:14:20,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-21 23:14:20,353 INFO L87 Difference]: Start difference. First operand 2414 states and 3316 transitions. Second operand 4 states. [2020-12-21 23:14:20,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:20,878 INFO L93 Difference]: Finished difference Result 6390 states and 8764 transitions. [2020-12-21 23:14:20,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-21 23:14:20,879 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 370 [2020-12-21 23:14:20,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:20,888 INFO L225 Difference]: With dead ends: 6390 [2020-12-21 23:14:20,888 INFO L226 Difference]: Without dead ends: 3852 [2020-12-21 23:14:20,892 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 375 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-21 23:14:20,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3852 states. [2020-12-21 23:14:21,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3852 to 2486. [2020-12-21 23:14:21,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2486 states. [2020-12-21 23:14:21,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2486 states to 2486 states and 3374 transitions. [2020-12-21 23:14:21,021 INFO L78 Accepts]: Start accepts. Automaton has 2486 states and 3374 transitions. Word has length 370 [2020-12-21 23:14:21,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:21,021 INFO L481 AbstractCegarLoop]: Abstraction has 2486 states and 3374 transitions. [2020-12-21 23:14:21,022 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-21 23:14:21,022 INFO L276 IsEmpty]: Start isEmpty. Operand 2486 states and 3374 transitions. [2020-12-21 23:14:21,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2020-12-21 23:14:21,030 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:21,031 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 11, 11, 10, 10, 9, 9, 9, 9, 8, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-21 23:14:21,244 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2020-12-21 23:14:21,245 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:21,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:21,245 INFO L82 PathProgramCache]: Analyzing trace with hash 1628763683, now seen corresponding path program 1 times [2020-12-21 23:14:21,246 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:21,246 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119681622] [2020-12-21 23:14:21,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:21,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:21,472 INFO L134 CoverageAnalysis]: Checked inductivity of 2015 backedges. 975 proven. 0 refuted. 0 times theorem prover too weak. 1040 trivial. 0 not checked. [2020-12-21 23:14:21,476 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119681622] [2020-12-21 23:14:21,477 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:21,477 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:21,477 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678252157] [2020-12-21 23:14:21,477 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:21,478 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:21,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:21,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:21,478 INFO L87 Difference]: Start difference. First operand 2486 states and 3374 transitions. Second operand 3 states. [2020-12-21 23:14:21,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:21,666 INFO L93 Difference]: Finished difference Result 4976 states and 6748 transitions. [2020-12-21 23:14:21,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:21,666 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 438 [2020-12-21 23:14:21,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:21,672 INFO L225 Difference]: With dead ends: 4976 [2020-12-21 23:14:21,672 INFO L226 Difference]: Without dead ends: 2498 [2020-12-21 23:14:21,675 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:21,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2498 states. [2020-12-21 23:14:21,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2498 to 2486. [2020-12-21 23:14:21,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2486 states. [2020-12-21 23:14:21,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2486 states to 2486 states and 3326 transitions. [2020-12-21 23:14:21,755 INFO L78 Accepts]: Start accepts. Automaton has 2486 states and 3326 transitions. Word has length 438 [2020-12-21 23:14:21,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:21,755 INFO L481 AbstractCegarLoop]: Abstraction has 2486 states and 3326 transitions. [2020-12-21 23:14:21,756 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:21,756 INFO L276 IsEmpty]: Start isEmpty. Operand 2486 states and 3326 transitions. [2020-12-21 23:14:21,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2020-12-21 23:14:21,762 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:21,762 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 13, 13, 12, 12, 11, 11, 10, 10, 10, 10, 8, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-21 23:14:21,763 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-12-21 23:14:21,763 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:21,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:21,763 INFO L82 PathProgramCache]: Analyzing trace with hash 1752367566, now seen corresponding path program 1 times [2020-12-21 23:14:21,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:21,764 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720710909] [2020-12-21 23:14:21,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:21,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:22,068 INFO L134 CoverageAnalysis]: Checked inductivity of 2338 backedges. 1323 proven. 0 refuted. 0 times theorem prover too weak. 1015 trivial. 0 not checked. [2020-12-21 23:14:22,068 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720710909] [2020-12-21 23:14:22,068 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:22,069 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:22,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226951430] [2020-12-21 23:14:22,069 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:22,069 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:22,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:22,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:22,070 INFO L87 Difference]: Start difference. First operand 2486 states and 3326 transitions. Second operand 3 states. [2020-12-21 23:14:22,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:22,265 INFO L93 Difference]: Finished difference Result 5180 states and 6946 transitions. [2020-12-21 23:14:22,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:22,266 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 470 [2020-12-21 23:14:22,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:22,272 INFO L225 Difference]: With dead ends: 5180 [2020-12-21 23:14:22,272 INFO L226 Difference]: Without dead ends: 2702 [2020-12-21 23:14:22,275 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:22,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2702 states. [2020-12-21 23:14:22,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2702 to 2690. [2020-12-21 23:14:22,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2690 states. [2020-12-21 23:14:22,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2690 states to 2690 states and 3560 transitions. [2020-12-21 23:14:22,360 INFO L78 Accepts]: Start accepts. Automaton has 2690 states and 3560 transitions. Word has length 470 [2020-12-21 23:14:22,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:22,360 INFO L481 AbstractCegarLoop]: Abstraction has 2690 states and 3560 transitions. [2020-12-21 23:14:22,360 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:22,361 INFO L276 IsEmpty]: Start isEmpty. Operand 2690 states and 3560 transitions. [2020-12-21 23:14:22,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2020-12-21 23:14:22,368 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:22,368 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 15, 15, 14, 14, 13, 13, 12, 12, 12, 12, 10, 8, 8, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-21 23:14:22,368 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-12-21 23:14:22,368 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:22,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:22,369 INFO L82 PathProgramCache]: Analyzing trace with hash -742298620, now seen corresponding path program 1 times [2020-12-21 23:14:22,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:22,369 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861804710] [2020-12-21 23:14:22,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:22,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:22,618 INFO L134 CoverageAnalysis]: Checked inductivity of 3103 backedges. 1760 proven. 0 refuted. 0 times theorem prover too weak. 1343 trivial. 0 not checked. [2020-12-21 23:14:22,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861804710] [2020-12-21 23:14:22,618 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:22,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:22,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595931889] [2020-12-21 23:14:22,619 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:22,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:22,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:22,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:22,620 INFO L87 Difference]: Start difference. First operand 2690 states and 3560 transitions. Second operand 3 states. [2020-12-21 23:14:22,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:22,862 INFO L93 Difference]: Finished difference Result 5600 states and 7438 transitions. [2020-12-21 23:14:22,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:22,862 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 532 [2020-12-21 23:14:22,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:22,870 INFO L225 Difference]: With dead ends: 5600 [2020-12-21 23:14:22,870 INFO L226 Difference]: Without dead ends: 2918 [2020-12-21 23:14:22,874 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:22,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2918 states. [2020-12-21 23:14:22,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2918 to 2906. [2020-12-21 23:14:22,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2906 states. [2020-12-21 23:14:22,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2906 states to 2906 states and 3806 transitions. [2020-12-21 23:14:22,967 INFO L78 Accepts]: Start accepts. Automaton has 2906 states and 3806 transitions. Word has length 532 [2020-12-21 23:14:22,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:22,968 INFO L481 AbstractCegarLoop]: Abstraction has 2906 states and 3806 transitions. [2020-12-21 23:14:22,968 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:22,968 INFO L276 IsEmpty]: Start isEmpty. Operand 2906 states and 3806 transitions. [2020-12-21 23:14:22,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2020-12-21 23:14:22,980 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:22,981 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 18, 17, 17, 16, 16, 15, 15, 14, 14, 14, 14, 12, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-21 23:14:22,981 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-12-21 23:14:22,982 INFO L429 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:22,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:22,982 INFO L82 PathProgramCache]: Analyzing trace with hash -1835374162, now seen corresponding path program 1 times [2020-12-21 23:14:22,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:22,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229670320] [2020-12-21 23:14:22,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:23,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:23,397 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 2316 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2020-12-21 23:14:23,397 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229670320] [2020-12-21 23:14:23,397 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [435773583] [2020-12-21 23:14:23,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-21 23:14:23,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:23,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 908 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-21 23:14:23,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-21 23:14:24,275 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 2316 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2020-12-21 23:14:24,276 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-21 23:14:24,276 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2020-12-21 23:14:24,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772271987] [2020-12-21 23:14:24,277 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-21 23:14:24,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:24,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-21 23:14:24,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-21 23:14:24,278 INFO L87 Difference]: Start difference. First operand 2906 states and 3806 transitions. Second operand 6 states. [2020-12-21 23:14:24,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:24,561 INFO L93 Difference]: Finished difference Result 4541 states and 5954 transitions. [2020-12-21 23:14:24,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-21 23:14:24,561 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 598 [2020-12-21 23:14:24,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:24,562 INFO L225 Difference]: With dead ends: 4541 [2020-12-21 23:14:24,562 INFO L226 Difference]: Without dead ends: 0 [2020-12-21 23:14:24,567 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 603 GetRequests, 598 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-21 23:14:24,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-21 23:14:24,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-21 23:14:24,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-21 23:14:24,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-21 23:14:24,570 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 598 [2020-12-21 23:14:24,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:24,571 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-21 23:14:24,571 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-21 23:14:24,571 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-21 23:14:24,571 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-21 23:14:24,781 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-21 23:14:24,785 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-21 23:14:25,370 WARN L197 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 85 [2020-12-21 23:14:25,828 WARN L197 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 85 [2020-12-21 23:14:26,163 WARN L197 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2020-12-21 23:14:26,470 WARN L197 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2020-12-21 23:14:26,794 WARN L197 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 56 [2020-12-21 23:14:27,089 WARN L197 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2020-12-21 23:14:27,323 WARN L197 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 24 [2020-12-21 23:14:27,512 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 10 [2020-12-21 23:14:27,867 WARN L197 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 56 [2020-12-21 23:14:28,213 WARN L197 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 50 [2020-12-21 23:14:28,491 WARN L197 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2020-12-21 23:14:28,786 WARN L197 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 52 [2020-12-21 23:14:29,474 WARN L197 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 52 [2020-12-21 23:14:29,819 WARN L197 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2020-12-21 23:14:30,236 WARN L197 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2020-12-21 23:14:30,521 WARN L197 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2020-12-21 23:14:30,881 WARN L197 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 52 [2020-12-21 23:14:31,724 WARN L197 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 62 [2020-12-21 23:14:32,026 WARN L197 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 50 [2020-12-21 23:14:32,759 WARN L197 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 52 [2020-12-21 23:14:33,139 WARN L197 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2020-12-21 23:14:33,434 WARN L197 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2020-12-21 23:14:33,439 INFO L185 CegarLoopUtils]: At program point L399(lines 390 421) the Hoare annotation is: (let ((.cse5 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse6 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse4 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse0 .cse1 .cse2 .cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse5 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse5 .cse0 .cse6 .cse1 .cse2 .cse3 .cse8 .cse4 .cse7 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse5 .cse0 .cse6 .cse1 .cse2 .cse3 .cse8 .cse4 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse7))) [2020-12-21 23:14:33,440 INFO L185 CegarLoopUtils]: At program point L168(lines 167 605) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse3 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448)) (.cse2 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse3 .cse1 .cse2 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 .cse1 .cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse3 .cse1 .cse2))) [2020-12-21 23:14:33,440 INFO L185 CegarLoopUtils]: At program point L135(lines 128 618) the Hoare annotation is: (let ((.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse5 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse9 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse1 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse4 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse0 .cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse5 .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse3 .cse4 .cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-12-21 23:14:33,441 INFO L189 CegarLoopUtils]: For program point L102(line 102) no Hoare annotation was computed. [2020-12-21 23:14:33,441 INFO L189 CegarLoopUtils]: For program point L631(lines 631 635) no Hoare annotation was computed. [2020-12-21 23:14:33,441 INFO L189 CegarLoopUtils]: For program point L367(lines 367 371) no Hoare annotation was computed. [2020-12-21 23:14:33,441 INFO L189 CegarLoopUtils]: For program point L401(lines 401 407) no Hoare annotation was computed. [2020-12-21 23:14:33,441 INFO L189 CegarLoopUtils]: For program point L203(lines 203 593) no Hoare annotation was computed. [2020-12-21 23:14:33,441 INFO L189 CegarLoopUtils]: For program point L170(lines 170 604) no Hoare annotation was computed. [2020-12-21 23:14:33,441 INFO L189 CegarLoopUtils]: For program point L137(lines 137 615) no Hoare annotation was computed. [2020-12-21 23:14:33,441 INFO L189 CegarLoopUtils]: For program point L104(lines 104 626) no Hoare annotation was computed. [2020-12-21 23:14:33,441 INFO L189 CegarLoopUtils]: For program point L468(lines 468 472) no Hoare annotation was computed. [2020-12-21 23:14:33,442 INFO L185 CegarLoopUtils]: At program point L204(lines 200 594) the Hoare annotation is: (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0) (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0))) [2020-12-21 23:14:33,442 INFO L185 CegarLoopUtils]: At program point L105(lines 104 626) the Hoare annotation is: (and (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673)) (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) [2020-12-21 23:14:33,442 INFO L189 CegarLoopUtils]: For program point L502(lines 502 506) no Hoare annotation was computed. [2020-12-21 23:14:33,442 INFO L189 CegarLoopUtils]: For program point L502-2(lines 211 588) no Hoare annotation was computed. [2020-12-21 23:14:33,442 INFO L189 CegarLoopUtils]: For program point L239(lines 239 244) no Hoare annotation was computed. [2020-12-21 23:14:33,442 INFO L189 CegarLoopUtils]: For program point L206(lines 206 592) no Hoare annotation was computed. [2020-12-21 23:14:33,442 INFO L189 CegarLoopUtils]: For program point L173(lines 173 603) no Hoare annotation was computed. [2020-12-21 23:14:33,443 INFO L189 CegarLoopUtils]: For program point L140(lines 140 614) no Hoare annotation was computed. [2020-12-21 23:14:33,443 INFO L189 CegarLoopUtils]: For program point L107(lines 107 625) no Hoare annotation was computed. [2020-12-21 23:14:33,443 INFO L185 CegarLoopUtils]: At program point L207(lines 206 592) the Hoare annotation is: (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) [2020-12-21 23:14:33,443 INFO L185 CegarLoopUtils]: At program point L174(lines 170 604) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse3 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse7 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse9 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse11 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse10 .cse11 .cse12 .cse13 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-12-21 23:14:33,443 INFO L185 CegarLoopUtils]: At program point L141(lines 137 615) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse3 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse6 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse7 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse1 .cse4 .cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse2 .cse3 .cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse8))) [2020-12-21 23:14:33,443 INFO L189 CegarLoopUtils]: For program point L75(lines 75 83) no Hoare annotation was computed. [2020-12-21 23:14:33,443 INFO L189 CegarLoopUtils]: For program point L274(lines 274 278) no Hoare annotation was computed. [2020-12-21 23:14:33,443 INFO L189 CegarLoopUtils]: For program point L572(lines 572 582) no Hoare annotation was computed. [2020-12-21 23:14:33,444 INFO L189 CegarLoopUtils]: For program point L572-1(lines 572 582) no Hoare annotation was computed. [2020-12-21 23:14:33,444 INFO L189 CegarLoopUtils]: For program point L308(lines 308 312) no Hoare annotation was computed. [2020-12-21 23:14:33,444 INFO L189 CegarLoopUtils]: For program point L308-2(lines 211 588) no Hoare annotation was computed. [2020-12-21 23:14:33,444 INFO L189 CegarLoopUtils]: For program point L176(lines 176 602) no Hoare annotation was computed. [2020-12-21 23:14:33,444 INFO L189 CegarLoopUtils]: For program point L143(lines 143 613) no Hoare annotation was computed. [2020-12-21 23:14:33,444 INFO L189 CegarLoopUtils]: For program point L110(lines 110 624) no Hoare annotation was computed. [2020-12-21 23:14:33,444 INFO L189 CegarLoopUtils]: For program point L441-1(lines 441 453) no Hoare annotation was computed. [2020-12-21 23:14:33,444 INFO L185 CegarLoopUtils]: At program point L210(lines 209 591) the Hoare annotation is: (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) [2020-12-21 23:14:33,444 INFO L189 CegarLoopUtils]: For program point L78(lines 78 82) no Hoare annotation was computed. [2020-12-21 23:14:33,444 INFO L189 CegarLoopUtils]: For program point L78-2(lines 75 83) no Hoare annotation was computed. [2020-12-21 23:14:33,444 INFO L192 CegarLoopUtils]: At program point L673(lines 66 675) the Hoare annotation is: true [2020-12-21 23:14:33,444 INFO L189 CegarLoopUtils]: For program point L640(lines 640 646) no Hoare annotation was computed. [2020-12-21 23:14:33,445 INFO L189 CegarLoopUtils]: For program point L541(lines 541 546) no Hoare annotation was computed. [2020-12-21 23:14:33,445 INFO L185 CegarLoopUtils]: At program point L409(lines 400 420) the Hoare annotation is: (let ((.cse5 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse6 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse4 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse0 .cse1 .cse2 .cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse5 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse5 .cse0 .cse6 .cse1 .cse2 .cse3 .cse8 .cse4 .cse7 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse5 .cse0 .cse6 .cse1 .cse2 .cse3 .cse8 .cse4 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse7))) [2020-12-21 23:14:33,445 INFO L189 CegarLoopUtils]: For program point L343(lines 343 347) no Hoare annotation was computed. [2020-12-21 23:14:33,445 INFO L189 CegarLoopUtils]: For program point L343-2(lines 211 588) no Hoare annotation was computed. [2020-12-21 23:14:33,445 INFO L192 CegarLoopUtils]: At program point L674(lines 11 676) the Hoare annotation is: true [2020-12-21 23:14:33,445 INFO L189 CegarLoopUtils]: For program point L575(lines 575 579) no Hoare annotation was computed. [2020-12-21 23:14:33,445 INFO L189 CegarLoopUtils]: For program point L179(lines 179 601) no Hoare annotation was computed. [2020-12-21 23:14:33,446 INFO L189 CegarLoopUtils]: For program point L146(lines 146 612) no Hoare annotation was computed. [2020-12-21 23:14:33,446 INFO L189 CegarLoopUtils]: For program point L113(lines 113 623) no Hoare annotation was computed. [2020-12-21 23:14:33,446 INFO L189 CegarLoopUtils]: For program point L444(lines 444 449) no Hoare annotation was computed. [2020-12-21 23:14:33,446 INFO L185 CegarLoopUtils]: At program point L180(lines 176 602) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse3 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse7 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse9 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse11 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse10 .cse11 .cse12 .cse13 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-12-21 23:14:33,446 INFO L185 CegarLoopUtils]: At program point L147(lines 143 613) the Hoare annotation is: (let ((.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse5 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse9 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse1 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse4 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse0 .cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse5 .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse3 .cse4 .cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-12-21 23:14:33,446 INFO L189 CegarLoopUtils]: For program point L412(lines 412 416) no Hoare annotation was computed. [2020-12-21 23:14:33,447 INFO L185 CegarLoopUtils]: At program point L214(lines 107 625) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse2 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse5 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse9 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673)) .cse3 .cse6 .cse7 .cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse4 .cse5 .cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse10))) [2020-12-21 23:14:33,447 INFO L189 CegarLoopUtils]: For program point L512(lines 512 516) no Hoare annotation was computed. [2020-12-21 23:14:33,447 INFO L189 CegarLoopUtils]: For program point L512-2(lines 512 516) no Hoare annotation was computed. [2020-12-21 23:14:33,447 INFO L189 CegarLoopUtils]: For program point L182(lines 182 600) no Hoare annotation was computed. [2020-12-21 23:14:33,447 INFO L189 CegarLoopUtils]: For program point L149(lines 149 611) no Hoare annotation was computed. [2020-12-21 23:14:33,447 INFO L189 CegarLoopUtils]: For program point L116(lines 116 622) no Hoare annotation was computed. [2020-12-21 23:14:33,447 INFO L189 CegarLoopUtils]: For program point L480(lines 480 484) no Hoare annotation was computed. [2020-12-21 23:14:33,448 INFO L189 CegarLoopUtils]: For program point L85(lines 85 93) no Hoare annotation was computed. [2020-12-21 23:14:33,448 INFO L189 CegarLoopUtils]: For program point L85-1(lines 66 675) no Hoare annotation was computed. [2020-12-21 23:14:33,448 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-21 23:14:33,448 INFO L189 CegarLoopUtils]: For program point L185(lines 185 599) no Hoare annotation was computed. [2020-12-21 23:14:33,448 INFO L189 CegarLoopUtils]: For program point L152(lines 152 610) no Hoare annotation was computed. [2020-12-21 23:14:33,448 INFO L189 CegarLoopUtils]: For program point L119(lines 119 621) no Hoare annotation was computed. [2020-12-21 23:14:33,448 INFO L189 CegarLoopUtils]: For program point L86(lines 86 90) no Hoare annotation was computed. [2020-12-21 23:14:33,448 INFO L189 CegarLoopUtils]: For program point L351(lines 351 382) no Hoare annotation was computed. [2020-12-21 23:14:33,448 INFO L189 CegarLoopUtils]: For program point L318(lines 318 322) no Hoare annotation was computed. [2020-12-21 23:14:33,448 INFO L189 CegarLoopUtils]: For program point L318-2(lines 318 322) no Hoare annotation was computed. [2020-12-21 23:14:33,449 INFO L189 CegarLoopUtils]: For program point L219(lines 219 223) no Hoare annotation was computed. [2020-12-21 23:14:33,449 INFO L185 CegarLoopUtils]: At program point L186(lines 182 600) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse3 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse7 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse9 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse11 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse10 .cse11 .cse12 .cse13 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-12-21 23:14:33,449 INFO L185 CegarLoopUtils]: At program point L153(lines 149 611) the Hoare annotation is: (let ((.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse5 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse9 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse1 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse4 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse0 .cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse5 .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse3 .cse4 .cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-12-21 23:14:33,449 INFO L189 CegarLoopUtils]: For program point L219-2(lines 211 588) no Hoare annotation was computed. [2020-12-21 23:14:33,449 INFO L189 CegarLoopUtils]: For program point L551(lines 551 555) no Hoare annotation was computed. [2020-12-21 23:14:33,449 INFO L189 CegarLoopUtils]: For program point L188(lines 188 598) no Hoare annotation was computed. [2020-12-21 23:14:33,450 INFO L189 CegarLoopUtils]: For program point L155(lines 155 609) no Hoare annotation was computed. [2020-12-21 23:14:33,450 INFO L189 CegarLoopUtils]: For program point L122(lines 122 620) no Hoare annotation was computed. [2020-12-21 23:14:33,450 INFO L185 CegarLoopUtils]: At program point L552(lines 66 675) the Hoare annotation is: false [2020-12-21 23:14:33,450 INFO L189 CegarLoopUtils]: For program point L354(lines 354 381) no Hoare annotation was computed. [2020-12-21 23:14:33,450 INFO L189 CegarLoopUtils]: For program point L354-1(lines 354 381) no Hoare annotation was computed. [2020-12-21 23:14:33,450 INFO L185 CegarLoopUtils]: At program point L123(lines 119 621) the Hoare annotation is: (let ((.cse1 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse5 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse9 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse2 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse4 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse5 .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse3 .cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-12-21 23:14:33,450 INFO L189 CegarLoopUtils]: For program point L355(lines 355 378) no Hoare annotation was computed. [2020-12-21 23:14:33,450 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-21 23:14:33,451 INFO L189 CegarLoopUtils]: For program point L256(lines 256 268) no Hoare annotation was computed. [2020-12-21 23:14:33,451 INFO L192 CegarLoopUtils]: At program point L686(lines 677 688) the Hoare annotation is: true [2020-12-21 23:14:33,451 INFO L189 CegarLoopUtils]: For program point L257(lines 257 262) no Hoare annotation was computed. [2020-12-21 23:14:33,451 INFO L189 CegarLoopUtils]: For program point L191(lines 191 597) no Hoare annotation was computed. [2020-12-21 23:14:33,451 INFO L189 CegarLoopUtils]: For program point L158(lines 158 608) no Hoare annotation was computed. [2020-12-21 23:14:33,451 INFO L189 CegarLoopUtils]: For program point L125(lines 125 619) no Hoare annotation was computed. [2020-12-21 23:14:33,451 INFO L189 CegarLoopUtils]: For program point L522(lines 522 527) no Hoare annotation was computed. [2020-12-21 23:14:33,451 INFO L189 CegarLoopUtils]: For program point L390(lines 390 421) no Hoare annotation was computed. [2020-12-21 23:14:33,451 INFO L189 CegarLoopUtils]: For program point L291(lines 291 295) no Hoare annotation was computed. [2020-12-21 23:14:33,451 INFO L189 CegarLoopUtils]: For program point L291-2(lines 211 588) no Hoare annotation was computed. [2020-12-21 23:14:33,452 INFO L185 CegarLoopUtils]: At program point L192(lines 188 598) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse3 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse7 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse9 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse11 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse12 .cse13))) [2020-12-21 23:14:33,452 INFO L185 CegarLoopUtils]: At program point L159(lines 155 609) the Hoare annotation is: (let ((.cse5 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse6 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse4 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse0 .cse1 .cse2 .cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse5 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse5 .cse0 .cse6 .cse1 .cse2 .cse3 .cse8 .cse4 .cse7 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse5 .cse0 .cse6 .cse1 .cse2 .cse3 .cse8 .cse4 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse7))) [2020-12-21 23:14:33,452 INFO L185 CegarLoopUtils]: At program point L126(lines 125 619) the Hoare annotation is: (and (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480)) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656))) [2020-12-21 23:14:33,453 INFO L185 CegarLoopUtils]: At program point L589(lines 101 657) the Hoare annotation is: (let ((.cse2 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse3 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse12 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse7 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse4 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse11 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0)) (and .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse2 .cse3 .cse12) (and .cse5 .cse6 .cse1 .cse7 .cse8 .cse9 .cse10 .cse11 .cse13 .cse4) (and .cse0 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448) .cse11) (<= ULTIMATE.start_ssl3_accept_~s__state~0 3))) [2020-12-21 23:14:33,453 INFO L189 CegarLoopUtils]: For program point L556(lines 556 560) no Hoare annotation was computed. [2020-12-21 23:14:33,453 INFO L189 CegarLoopUtils]: For program point L391(lines 391 397) no Hoare annotation was computed. [2020-12-21 23:14:33,453 INFO L189 CegarLoopUtils]: For program point L358(lines 358 377) no Hoare annotation was computed. [2020-12-21 23:14:33,453 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-21 23:14:33,453 INFO L189 CegarLoopUtils]: For program point L491(lines 491 495) no Hoare annotation was computed. [2020-12-21 23:14:33,453 INFO L189 CegarLoopUtils]: For program point L359(lines 359 363) no Hoare annotation was computed. [2020-12-21 23:14:33,453 INFO L189 CegarLoopUtils]: For program point L359-2(lines 358 375) no Hoare annotation was computed. [2020-12-21 23:14:33,453 INFO L189 CegarLoopUtils]: For program point L194(lines 194 596) no Hoare annotation was computed. [2020-12-21 23:14:33,454 INFO L189 CegarLoopUtils]: For program point L161(lines 161 607) no Hoare annotation was computed. [2020-12-21 23:14:33,454 INFO L189 CegarLoopUtils]: For program point L128(lines 128 618) no Hoare annotation was computed. [2020-12-21 23:14:33,454 INFO L189 CegarLoopUtils]: For program point L459(lines 459 463) no Hoare annotation was computed. [2020-12-21 23:14:33,454 INFO L189 CegarLoopUtils]: For program point L327-1(lines 327 336) no Hoare annotation was computed. [2020-12-21 23:14:33,454 INFO L192 CegarLoopUtils]: At program point L658(lines 100 659) the Hoare annotation is: true [2020-12-21 23:14:33,454 INFO L189 CegarLoopUtils]: For program point L197(lines 197 595) no Hoare annotation was computed. [2020-12-21 23:14:33,454 INFO L189 CegarLoopUtils]: For program point L164(lines 164 606) no Hoare annotation was computed. [2020-12-21 23:14:33,454 INFO L189 CegarLoopUtils]: For program point L131(lines 131 617) no Hoare annotation was computed. [2020-12-21 23:14:33,454 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-21 23:14:33,454 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 669) no Hoare annotation was computed. [2020-12-21 23:14:33,455 INFO L189 CegarLoopUtils]: For program point L627(lines 627 655) no Hoare annotation was computed. [2020-12-21 23:14:33,455 INFO L189 CegarLoopUtils]: For program point L231(lines 231 248) no Hoare annotation was computed. [2020-12-21 23:14:33,455 INFO L185 CegarLoopUtils]: At program point L198(lines 194 596) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse4 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse7 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse9 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse11 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse12) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse10 .cse11 .cse12 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10 .cse11 .cse12))) [2020-12-21 23:14:33,455 INFO L185 CegarLoopUtils]: At program point L165(lines 161 607) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse4 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse6 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse3 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse1 .cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse4 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse5 .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 .cse4 .cse1 .cse5 .cse6 .cse2 .cse8 .cse3 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse7) (and .cse0 .cse4 .cse1 .cse5 .cse6 .cse2 .cse8 .cse3 .cse7 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)))) [2020-12-21 23:14:33,455 INFO L189 CegarLoopUtils]: For program point L231-2(lines 211 588) no Hoare annotation was computed. [2020-12-21 23:14:33,455 INFO L189 CegarLoopUtils]: For program point L628(lines 628 652) no Hoare annotation was computed. [2020-12-21 23:14:33,456 INFO L189 CegarLoopUtils]: For program point L562(lines 562 566) no Hoare annotation was computed. [2020-12-21 23:14:33,456 INFO L189 CegarLoopUtils]: For program point L529(lines 529 533) no Hoare annotation was computed. [2020-12-21 23:14:33,456 INFO L189 CegarLoopUtils]: For program point L562-2(lines 562 566) no Hoare annotation was computed. [2020-12-21 23:14:33,456 INFO L189 CegarLoopUtils]: For program point L529-2(lines 211 588) no Hoare annotation was computed. [2020-12-21 23:14:33,456 INFO L189 CegarLoopUtils]: For program point L331(lines 331 335) no Hoare annotation was computed. [2020-12-21 23:14:33,456 INFO L189 CegarLoopUtils]: For program point L662(lines 662 666) no Hoare annotation was computed. [2020-12-21 23:14:33,456 INFO L189 CegarLoopUtils]: For program point L629(lines 629 638) no Hoare annotation was computed. [2020-12-21 23:14:33,456 INFO L189 CegarLoopUtils]: For program point L662-2(lines 662 666) no Hoare annotation was computed. [2020-12-21 23:14:33,456 INFO L189 CegarLoopUtils]: For program point L629-2(lines 628 650) no Hoare annotation was computed. [2020-12-21 23:14:33,456 INFO L189 CegarLoopUtils]: For program point L464(lines 464 475) no Hoare annotation was computed. [2020-12-21 23:14:33,456 INFO L189 CegarLoopUtils]: For program point L431(lines 431 435) no Hoare annotation was computed. [2020-12-21 23:14:33,457 INFO L185 CegarLoopUtils]: At program point L365(lines 348 383) the Hoare annotation is: (let ((.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse5 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse9 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse1 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse4 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse0 .cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse5 .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse3 .cse4 .cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-12-21 23:14:33,457 INFO L189 CegarLoopUtils]: For program point L233(lines 233 238) no Hoare annotation was computed. [2020-12-21 23:14:33,457 INFO L189 CegarLoopUtils]: For program point L200(lines 200 594) no Hoare annotation was computed. [2020-12-21 23:14:33,457 INFO L189 CegarLoopUtils]: For program point L167(lines 167 605) no Hoare annotation was computed. [2020-12-21 23:14:33,457 INFO L189 CegarLoopUtils]: For program point L134(lines 134 616) no Hoare annotation was computed. [2020-12-21 23:14:33,457 INFO L185 CegarLoopUtils]: At program point L101-2(lines 101 657) the Hoare annotation is: (let ((.cse2 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse3 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse12 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse7 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse4 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse11 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0)) (and .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse2 .cse3 .cse12) (and .cse5 .cse6 .cse1 .cse7 .cse8 .cse9 .cse10 .cse11 .cse13 .cse4) (and .cse0 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448) .cse11) (<= ULTIMATE.start_ssl3_accept_~s__state~0 3))) [2020-12-21 23:14:33,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 11:14:33 BoogieIcfgContainer [2020-12-21 23:14:33,531 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-21 23:14:33,532 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-21 23:14:33,532 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-21 23:14:33,532 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-21 23:14:33,533 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 11:14:06" (3/4) ... [2020-12-21 23:14:33,536 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-21 23:14:33,567 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-21 23:14:33,568 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-21 23:14:33,569 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-21 23:14:33,570 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-21 23:14:33,732 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/bitvector/s3_srvr_3a.BV.c.cil.c-witness.graphml [2020-12-21 23:14:33,733 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-21 23:14:33,734 INFO L168 Benchmark]: Toolchain (without parser) took 29285.15 ms. Allocated memory was 155.2 MB in the beginning and 875.6 MB in the end (delta: 720.4 MB). Free memory was 130.5 MB in the beginning and 797.7 MB in the end (delta: -667.2 MB). Peak memory consumption was 53.9 MB. Max. memory is 8.0 GB. [2020-12-21 23:14:33,734 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 155.2 MB. Free memory was 129.9 MB in the beginning and 129.8 MB in the end (delta: 84.5 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-21 23:14:33,735 INFO L168 Benchmark]: CACSL2BoogieTranslator took 415.45 ms. Allocated memory is still 155.2 MB. Free memory was 130.2 MB in the beginning and 115.2 MB in the end (delta: 15.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2020-12-21 23:14:33,735 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.67 ms. Allocated memory is still 155.2 MB. Free memory was 115.2 MB in the beginning and 112.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-21 23:14:33,735 INFO L168 Benchmark]: Boogie Preprocessor took 88.51 ms. Allocated memory is still 155.2 MB. Free memory was 112.4 MB in the beginning and 110.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-21 23:14:33,736 INFO L168 Benchmark]: RCFGBuilder took 1020.83 ms. Allocated memory is still 155.2 MB. Free memory was 110.2 MB in the beginning and 94.0 MB in the end (delta: 16.2 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2020-12-21 23:14:33,736 INFO L168 Benchmark]: TraceAbstraction took 27476.11 ms. Allocated memory was 155.2 MB in the beginning and 875.6 MB in the end (delta: 720.4 MB). Free memory was 93.5 MB in the beginning and 809.8 MB in the end (delta: -716.3 MB). Peak memory consumption was 489.1 MB. Max. memory is 8.0 GB. [2020-12-21 23:14:33,736 INFO L168 Benchmark]: Witness Printer took 200.78 ms. Allocated memory is still 875.6 MB. Free memory was 809.8 MB in the beginning and 797.7 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2020-12-21 23:14:33,740 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 155.2 MB. Free memory was 129.9 MB in the beginning and 129.8 MB in the end (delta: 84.5 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 415.45 ms. Allocated memory is still 155.2 MB. Free memory was 130.2 MB in the beginning and 115.2 MB in the end (delta: 15.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 73.67 ms. Allocated memory is still 155.2 MB. Free memory was 115.2 MB in the beginning and 112.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 88.51 ms. Allocated memory is still 155.2 MB. Free memory was 112.4 MB in the beginning and 110.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1020.83 ms. Allocated memory is still 155.2 MB. Free memory was 110.2 MB in the beginning and 94.0 MB in the end (delta: 16.2 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 27476.11 ms. Allocated memory was 155.2 MB in the beginning and 875.6 MB in the end (delta: 720.4 MB). Free memory was 93.5 MB in the beginning and 809.8 MB in the end (delta: -716.3 MB). Peak memory consumption was 489.1 MB. Max. memory is 8.0 GB. * Witness Printer took 200.78 ms. Allocated memory is still 875.6 MB. Free memory was 809.8 MB in the beginning and 797.7 MB in the end (delta: 12.1 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: 669]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: ((((((((((((((s__state <= 8672 && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) || (((((((((!(8496 == s__state) && !(s__state == 8480)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag)) || (((((((((!(8496 == s__state) && !(s__state == 8480)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481)) - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && 2 == blastFlag) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) || ((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && blastFlag <= 1) && !(s__state == 8481)) && !(s__state == 8656))) || (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: ((((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481)) || (((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag)) || (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481)) || (((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag)) || (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: !(s__state == 8672) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: (((((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8448) && 8448 <= s__state) && 2 == blastFlag) || (((blastFlag <= 3 && s__state <= 8448) && 8448 <= s__state) && !(s__hit == 0))) || (((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8448) && 8448 <= s__state) && blastFlag <= 1)) || (((3 == s__s3__tmp__next_state___0 && blastFlag <= 3) && s__state <= 8448) && 8448 <= s__state) - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: ((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656) - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: (blastFlag <= 3 && 8672 <= s__state) && !(12292 == s__state) - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: ((((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481)) || (((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag)) || (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: !(s__state == 8672) - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: ((((((((((((((!(s__state == 8545) && s__state <= 8672) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) || (((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && s__state <= 8576) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481))) || (((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag) - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: (((((((((((!(s__state == 8545) && s__s3__tmp__next_state___0 <= 8576) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && 2 == blastFlag) || ((((((((((!(s__state == 8545) && s__s3__tmp__next_state___0 <= 8576) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && blastFlag <= 1)) || (((((((((((((!(s__state == 8545) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8656)) && !(s__hit == 0)) - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: ((((((((blastFlag <= 3 && s__state <= 8672) && 8672 <= s__state) || ((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8576) && 2 == blastFlag)) || (((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8448 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481))) || ((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8576) && blastFlag <= 1)) || (((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8448 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag)) || (blastFlag <= 3 && !(s__hit == 0))) || (((3 == s__s3__tmp__next_state___0 && blastFlag <= 3) && s__state <= 8448) && 8448 <= s__state)) || s__state <= 3 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: ((((((((((((((!(s__state == 8545) && !(s__state == 8673)) && s__state <= 8672) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && blastFlag <= 1) && !(s__state == 8481)) || ((((((((((((((!(s__state == 8545) && !(s__state == 8673)) && s__state <= 8672) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__hit == 0))) || (((((((((((((!(s__state == 8545) && !(s__state == 8673)) && s__state <= 8672) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && 8448 <= s__state) && !(s__state == 8672)) && 2 == blastFlag) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: ((((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481)) || (((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag)) || (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: (((!(s__state == 8673) && blastFlag <= 3) && 8672 <= s__state) && !(s__state == 8672)) && !(s__hit == 0) - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && 2 == blastFlag) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) || ((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && blastFlag <= 1) && !(s__state == 8481)) && !(s__state == 8656))) || (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: ((((((((((((((s__state <= 8672 && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) || (((((((((!(8496 == s__state) && !(s__state == 8480)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag)) || (((((((((!(8496 == s__state) && !(s__state == 8480)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481)) - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && 2 == blastFlag) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) || ((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0))) || ((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && blastFlag <= 1) && !(s__state == 8481)) && !(s__state == 8656)) - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: ((((((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(s__state == 8481)) && 2 == blastFlag) || ((((((((((((((!(s__state == 8545) && !(s__state == 8673)) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0))) || (((((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && blastFlag <= 1) && !(s__state == 8481)) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((((((((((!(s__state == 8545) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag) || (((((((((((((!(s__state == 8545) && s__state <= 8672) && !(s__state == 8480)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0))) || (((((((((!(s__state == 8545) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481)) - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: ((((((((blastFlag <= 3 && s__state <= 8672) && 8672 <= s__state) || ((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8576) && 2 == blastFlag)) || (((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8448 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481))) || ((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8576) && blastFlag <= 1)) || (((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8448 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag)) || (blastFlag <= 3 && !(s__hit == 0))) || (((3 == s__s3__tmp__next_state___0 && blastFlag <= 3) && s__state <= 8448) && 8448 <= s__state)) || s__state <= 3 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && 2 == blastFlag) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) || ((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && blastFlag <= 1) && !(s__state == 8481)) && !(s__state == 8656))) || (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: ((((((((((((((s__state <= 8672 && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) || (((((((((!(8496 == s__state) && !(s__state == 8480)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag)) || (((((((((!(8496 == s__state) && !(s__state == 8480)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 138 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.6s, OverallIterations: 32, TraceHistogramMax: 19, AutomataDifference: 7.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5562 SDtfs, 3449 SDslu, 2617 SDs, 0 SdLazy, 3158 SolverSat, 909 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2584 GetRequests, 2546 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3837occurred in iteration=24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 32 MinimizatonAttempts, 1793 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 29 LocationsWithAnnotation, 29 PreInvPairs, 367 NumberOfFragments, 2859 HoareAnnotationTreeSize, 29 FomulaSimplifications, 43835 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 29 FomulaSimplificationsInter, 6830 FormulaSimplificationTreeSizeReductionInter, 7.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 7563 NumberOfCodeBlocks, 7563 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 7529 ConstructedInterpolants, 0 QuantifiedInterpolants, 3182748 SizeOfPredicates, 2 NumberOfNonLiveVariables, 4304 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 34 InterpolantComputations, 30 PerfectInterpolantSequences, 25706/25810 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...