/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/recursive-simple/fibo_10-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 17:07:21,838 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 17:07:21,841 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 17:07:21,859 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 17:07:21,859 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 17:07:21,862 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 17:07:21,863 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 17:07:21,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 17:07:21,877 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 17:07:21,878 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 17:07:21,879 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 17:07:21,880 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 17:07:21,881 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 17:07:21,882 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 17:07:21,883 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 17:07:21,884 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 17:07:21,884 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 17:07:21,885 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 17:07:21,887 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 17:07:21,889 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 17:07:21,893 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 17:07:21,894 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 17:07:21,898 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 17:07:21,899 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 17:07:21,901 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 17:07:21,902 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 17:07:21,902 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 17:07:21,903 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 17:07:21,903 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 17:07:21,904 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 17:07:21,904 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 17:07:21,905 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 17:07:21,906 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 17:07:21,906 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 17:07:21,907 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 17:07:21,908 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 17:07:21,908 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 17:07:21,909 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 17:07:21,909 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 17:07:21,910 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 17:07:21,910 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 17:07:21,911 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-17 17:07:21,920 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 17:07:21,920 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 17:07:21,922 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 17:07:21,922 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 17:07:21,922 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 17:07:21,922 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 17:07:21,922 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 17:07:21,923 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 17:07:21,923 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 17:07:21,923 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 17:07:21,923 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 17:07:21,923 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 17:07:21,924 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 17:07:21,924 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 17:07:21,924 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 17:07:21,924 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 17:07:21,924 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 17:07:21,925 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 17:07:21,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 17:07:21,925 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 17:07:21,925 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 17:07:21,926 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 17:07:21,926 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-17 17:07:22,206 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 17:07:22,222 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 17:07:22,225 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 17:07:22,227 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 17:07:22,227 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 17:07:22,228 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_10-2.c [2020-07-17 17:07:22,302 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60a8df66e/9de8740f6df048ea9d32d183f6d69f91/FLAG185d52ef1 [2020-07-17 17:07:22,742 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 17:07:22,742 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive-simple/fibo_10-2.c [2020-07-17 17:07:22,748 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60a8df66e/9de8740f6df048ea9d32d183f6d69f91/FLAG185d52ef1 [2020-07-17 17:07:23,134 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60a8df66e/9de8740f6df048ea9d32d183f6d69f91 [2020-07-17 17:07:23,144 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 17:07:23,147 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 17:07:23,148 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 17:07:23,148 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 17:07:23,152 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 17:07:23,153 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 05:07:23" (1/1) ... [2020-07-17 17:07:23,156 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53ca554f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:07:23, skipping insertion in model container [2020-07-17 17:07:23,157 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 05:07:23" (1/1) ... [2020-07-17 17:07:23,164 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 17:07:23,182 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 17:07:23,357 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 17:07:23,362 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 17:07:23,378 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 17:07:23,396 INFO L208 MainTranslator]: Completed translation [2020-07-17 17:07:23,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:07:23 WrapperNode [2020-07-17 17:07:23,397 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 17:07:23,398 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 17:07:23,398 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 17:07:23,398 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 17:07:23,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:07:23" (1/1) ... [2020-07-17 17:07:23,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:07:23" (1/1) ... [2020-07-17 17:07:23,423 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:07:23" (1/1) ... [2020-07-17 17:07:23,424 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:07:23" (1/1) ... [2020-07-17 17:07:23,428 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:07:23" (1/1) ... [2020-07-17 17:07:23,431 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:07:23" (1/1) ... [2020-07-17 17:07:23,432 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:07:23" (1/1) ... [2020-07-17 17:07:23,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 17:07:23,434 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 17:07:23,434 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 17:07:23,434 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 17:07:23,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:07:23" (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 [2020-07-17 17:07:23,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 17:07:23,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 17:07:23,596 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo [2020-07-17 17:07:23,597 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 17:07:23,597 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 17:07:23,597 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 17:07:23,597 INFO L130 BoogieDeclarations]: Found specification of procedure fibo [2020-07-17 17:07:23,598 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 17:07:23,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 17:07:23,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 17:07:23,942 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 17:07:23,942 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-17 17:07:23,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 05:07:23 BoogieIcfgContainer [2020-07-17 17:07:23,948 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 17:07:23,952 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 17:07:23,952 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 17:07:23,956 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 17:07:23,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 05:07:23" (1/3) ... [2020-07-17 17:07:23,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a3f6a17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 05:07:23, skipping insertion in model container [2020-07-17 17:07:23,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:07:23" (2/3) ... [2020-07-17 17:07:23,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a3f6a17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 05:07:23, skipping insertion in model container [2020-07-17 17:07:23,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 05:07:23" (3/3) ... [2020-07-17 17:07:23,961 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_10-2.c [2020-07-17 17:07:23,971 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 17:07:23,982 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 17:07:23,994 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 17:07:24,015 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 17:07:24,015 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 17:07:24,016 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-17 17:07:24,016 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 17:07:24,016 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 17:07:24,016 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 17:07:24,016 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 17:07:24,016 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 17:07:24,031 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2020-07-17 17:07:24,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-17 17:07:24,042 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:07:24,043 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:07:24,043 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:07:24,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:07:24,050 INFO L82 PathProgramCache]: Analyzing trace with hash -1756383024, now seen corresponding path program 1 times [2020-07-17 17:07:24,059 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:07:24,059 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [659995582] [2020-07-17 17:07:24,060 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:07:24,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:24,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:24,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:24,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 17:07:24,288 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [659995582] [2020-07-17 17:07:24,291 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 17:07:24,291 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 17:07:24,293 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989017279] [2020-07-17 17:07:24,299 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 17:07:24,300 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:07:24,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 17:07:24,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-17 17:07:24,316 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 5 states. [2020-07-17 17:07:24,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:07:24,408 INFO L93 Difference]: Finished difference Result 44 states and 50 transitions. [2020-07-17 17:07:24,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 17:07:24,410 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-07-17 17:07:24,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:07:24,420 INFO L225 Difference]: With dead ends: 44 [2020-07-17 17:07:24,421 INFO L226 Difference]: Without dead ends: 28 [2020-07-17 17:07:24,425 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-17 17:07:24,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-07-17 17:07:24,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2020-07-17 17:07:24,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-07-17 17:07:24,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2020-07-17 17:07:24,478 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 16 [2020-07-17 17:07:24,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:07:24,478 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2020-07-17 17:07:24,478 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 17:07:24,479 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2020-07-17 17:07:24,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-17 17:07:24,481 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:07:24,481 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:07:24,482 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 17:07:24,482 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:07:24,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:07:24,483 INFO L82 PathProgramCache]: Analyzing trace with hash -389703589, now seen corresponding path program 1 times [2020-07-17 17:07:24,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:07:24,483 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1308277369] [2020-07-17 17:07:24,484 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:07:24,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:24,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:24,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:24,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 17:07:24,574 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1308277369] [2020-07-17 17:07:24,574 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 17:07:24,575 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 17:07:24,575 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682793911] [2020-07-17 17:07:24,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 17:07:24,577 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:07:24,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 17:07:24,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-17 17:07:24,578 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand 5 states. [2020-07-17 17:07:24,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:07:24,647 INFO L93 Difference]: Finished difference Result 36 states and 41 transitions. [2020-07-17 17:07:24,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 17:07:24,648 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-07-17 17:07:24,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:07:24,650 INFO L225 Difference]: With dead ends: 36 [2020-07-17 17:07:24,650 INFO L226 Difference]: Without dead ends: 30 [2020-07-17 17:07:24,652 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-17 17:07:24,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-07-17 17:07:24,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 28. [2020-07-17 17:07:24,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-07-17 17:07:24,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2020-07-17 17:07:24,664 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 17 [2020-07-17 17:07:24,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:07:24,664 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2020-07-17 17:07:24,664 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 17:07:24,665 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2020-07-17 17:07:24,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-07-17 17:07:24,666 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:07:24,667 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-17 17:07:24,667 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 17:07:24,667 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:07:24,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:07:24,668 INFO L82 PathProgramCache]: Analyzing trace with hash 50309368, now seen corresponding path program 1 times [2020-07-17 17:07:24,668 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:07:24,669 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [424172413] [2020-07-17 17:07:24,669 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:07:24,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:24,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:24,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:24,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:24,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:24,807 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-17 17:07:24,807 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [424172413] [2020-07-17 17:07:24,807 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:07:24,808 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-07-17 17:07:24,808 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906876855] [2020-07-17 17:07:24,809 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-17 17:07:24,809 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:07:24,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-17 17:07:24,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-17 17:07:24,810 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand 7 states. [2020-07-17 17:07:24,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:07:24,914 INFO L93 Difference]: Finished difference Result 52 states and 63 transitions. [2020-07-17 17:07:24,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 17:07:24,915 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2020-07-17 17:07:24,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:07:24,917 INFO L225 Difference]: With dead ends: 52 [2020-07-17 17:07:24,917 INFO L226 Difference]: Without dead ends: 30 [2020-07-17 17:07:24,918 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-07-17 17:07:24,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-07-17 17:07:24,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-07-17 17:07:24,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-07-17 17:07:24,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2020-07-17 17:07:24,935 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 33 [2020-07-17 17:07:24,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:07:24,936 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2020-07-17 17:07:24,936 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-17 17:07:24,936 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2020-07-17 17:07:24,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-07-17 17:07:24,942 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:07:24,942 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-07-17 17:07:24,942 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 17:07:24,943 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:07:24,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:07:24,943 INFO L82 PathProgramCache]: Analyzing trace with hash -643371531, now seen corresponding path program 1 times [2020-07-17 17:07:24,944 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:07:24,944 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [174472234] [2020-07-17 17:07:24,944 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:07:24,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:24,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:24,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:25,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:25,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:25,063 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-17 17:07:25,064 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [174472234] [2020-07-17 17:07:25,065 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:07:25,065 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-07-17 17:07:25,066 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61522686] [2020-07-17 17:07:25,069 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 17:07:25,069 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:07:25,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 17:07:25,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-17 17:07:25,071 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand 6 states. [2020-07-17 17:07:25,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:07:25,231 INFO L93 Difference]: Finished difference Result 56 states and 70 transitions. [2020-07-17 17:07:25,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 17:07:25,233 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-07-17 17:07:25,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:07:25,237 INFO L225 Difference]: With dead ends: 56 [2020-07-17 17:07:25,237 INFO L226 Difference]: Without dead ends: 50 [2020-07-17 17:07:25,238 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-07-17 17:07:25,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-07-17 17:07:25,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2020-07-17 17:07:25,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-07-17 17:07:25,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 64 transitions. [2020-07-17 17:07:25,268 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 64 transitions. Word has length 34 [2020-07-17 17:07:25,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:07:25,268 INFO L479 AbstractCegarLoop]: Abstraction has 50 states and 64 transitions. [2020-07-17 17:07:25,268 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 17:07:25,269 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2020-07-17 17:07:25,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-17 17:07:25,271 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:07:25,271 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 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] [2020-07-17 17:07:25,272 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 17:07:25,272 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:07:25,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:07:25,272 INFO L82 PathProgramCache]: Analyzing trace with hash 1274787059, now seen corresponding path program 2 times [2020-07-17 17:07:25,273 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:07:25,273 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [428337414] [2020-07-17 17:07:25,273 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:07:25,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:25,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:25,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:25,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:25,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:25,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:25,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:25,417 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-07-17 17:07:25,417 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [428337414] [2020-07-17 17:07:25,417 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:07:25,418 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-07-17 17:07:25,418 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606520723] [2020-07-17 17:07:25,418 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 17:07:25,419 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:07:25,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 17:07:25,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-17 17:07:25,419 INFO L87 Difference]: Start difference. First operand 50 states and 64 transitions. Second operand 8 states. [2020-07-17 17:07:25,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:07:25,565 INFO L93 Difference]: Finished difference Result 111 states and 156 transitions. [2020-07-17 17:07:25,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-17 17:07:25,565 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-07-17 17:07:25,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:07:25,568 INFO L225 Difference]: With dead ends: 111 [2020-07-17 17:07:25,568 INFO L226 Difference]: Without dead ends: 67 [2020-07-17 17:07:25,570 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-07-17 17:07:25,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-07-17 17:07:25,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 55. [2020-07-17 17:07:25,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-07-17 17:07:25,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 70 transitions. [2020-07-17 17:07:25,586 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 70 transitions. Word has length 51 [2020-07-17 17:07:25,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:07:25,587 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 70 transitions. [2020-07-17 17:07:25,587 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 17:07:25,587 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2020-07-17 17:07:25,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-17 17:07:25,590 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:07:25,590 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 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] [2020-07-17 17:07:25,590 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 17:07:25,590 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:07:25,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:07:25,591 INFO L82 PathProgramCache]: Analyzing trace with hash 99184320, now seen corresponding path program 3 times [2020-07-17 17:07:25,591 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:07:25,591 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [696731515] [2020-07-17 17:07:25,592 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:07:25,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:25,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:25,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:25,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:25,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:25,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:25,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:25,770 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-07-17 17:07:25,770 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [696731515] [2020-07-17 17:07:25,771 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:07:25,771 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-07-17 17:07:25,771 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667764654] [2020-07-17 17:07:25,772 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-17 17:07:25,772 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:07:25,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-17 17:07:25,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-17 17:07:25,773 INFO L87 Difference]: Start difference. First operand 55 states and 70 transitions. Second operand 7 states. [2020-07-17 17:07:25,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:07:25,894 INFO L93 Difference]: Finished difference Result 89 states and 117 transitions. [2020-07-17 17:07:25,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-17 17:07:25,895 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2020-07-17 17:07:25,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:07:25,897 INFO L225 Difference]: With dead ends: 89 [2020-07-17 17:07:25,897 INFO L226 Difference]: Without dead ends: 83 [2020-07-17 17:07:25,898 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-07-17 17:07:25,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-07-17 17:07:25,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 77. [2020-07-17 17:07:25,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-07-17 17:07:25,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 103 transitions. [2020-07-17 17:07:25,915 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 103 transitions. Word has length 52 [2020-07-17 17:07:25,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:07:25,915 INFO L479 AbstractCegarLoop]: Abstraction has 77 states and 103 transitions. [2020-07-17 17:07:25,915 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-17 17:07:25,916 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 103 transitions. [2020-07-17 17:07:25,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-07-17 17:07:25,919 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:07:25,920 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:07:25,920 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-17 17:07:25,920 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:07:25,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:07:25,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1883941443, now seen corresponding path program 4 times [2020-07-17 17:07:25,921 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:07:25,921 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [683941313] [2020-07-17 17:07:25,921 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:07:25,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:25,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:25,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:26,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:26,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:26,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:26,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:26,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:26,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:26,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:26,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:26,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:26,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:26,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:26,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:26,251 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 130 proven. 176 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2020-07-17 17:07:26,252 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [683941313] [2020-07-17 17:07:26,252 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:07:26,253 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-07-17 17:07:26,253 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982380995] [2020-07-17 17:07:26,254 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-17 17:07:26,254 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:07:26,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-17 17:07:26,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-07-17 17:07:26,255 INFO L87 Difference]: Start difference. First operand 77 states and 103 transitions. Second operand 11 states. [2020-07-17 17:07:26,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:07:26,585 INFO L93 Difference]: Finished difference Result 142 states and 213 transitions. [2020-07-17 17:07:26,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-17 17:07:26,586 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 123 [2020-07-17 17:07:26,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:07:26,589 INFO L225 Difference]: With dead ends: 142 [2020-07-17 17:07:26,589 INFO L226 Difference]: Without dead ends: 73 [2020-07-17 17:07:26,592 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=344, Unknown=0, NotChecked=0, Total=462 [2020-07-17 17:07:26,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-07-17 17:07:26,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 70. [2020-07-17 17:07:26,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-07-17 17:07:26,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 83 transitions. [2020-07-17 17:07:26,605 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 83 transitions. Word has length 123 [2020-07-17 17:07:26,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:07:26,606 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 83 transitions. [2020-07-17 17:07:26,606 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-17 17:07:26,606 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 83 transitions. [2020-07-17 17:07:26,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-07-17 17:07:26,610 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:07:26,610 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 17, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:07:26,610 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-17 17:07:26,610 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:07:26,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:07:26,611 INFO L82 PathProgramCache]: Analyzing trace with hash 532445701, now seen corresponding path program 5 times [2020-07-17 17:07:26,611 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:07:26,611 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1247992249] [2020-07-17 17:07:26,612 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:07:26,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:26,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:26,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:26,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:26,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:26,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:26,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:26,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:26,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:26,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:26,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:26,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:26,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:26,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:26,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:26,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:27,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:27,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:27,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:27,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:27,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:27,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:27,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:27,180 INFO L134 CoverageAnalysis]: Checked inductivity of 1318 backedges. 375 proven. 413 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked. [2020-07-17 17:07:27,180 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1247992249] [2020-07-17 17:07:27,181 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:07:27,181 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-07-17 17:07:27,181 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460108226] [2020-07-17 17:07:27,182 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-17 17:07:27,182 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:07:27,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-17 17:07:27,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-07-17 17:07:27,183 INFO L87 Difference]: Start difference. First operand 70 states and 83 transitions. Second operand 13 states. [2020-07-17 17:07:27,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:07:27,652 INFO L93 Difference]: Finished difference Result 149 states and 204 transitions. [2020-07-17 17:07:27,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-07-17 17:07:27,652 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 193 [2020-07-17 17:07:27,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:07:27,655 INFO L225 Difference]: With dead ends: 149 [2020-07-17 17:07:27,655 INFO L226 Difference]: Without dead ends: 92 [2020-07-17 17:07:27,656 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=188, Invalid=624, Unknown=0, NotChecked=0, Total=812 [2020-07-17 17:07:27,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-07-17 17:07:27,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 85. [2020-07-17 17:07:27,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-07-17 17:07:27,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 101 transitions. [2020-07-17 17:07:27,672 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 101 transitions. Word has length 193 [2020-07-17 17:07:27,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:07:27,673 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 101 transitions. [2020-07-17 17:07:27,673 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-17 17:07:27,674 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 101 transitions. [2020-07-17 17:07:27,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2020-07-17 17:07:27,679 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:07:27,679 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 25, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 10, 10, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:07:27,680 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-17 17:07:27,680 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:07:27,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:07:27,680 INFO L82 PathProgramCache]: Analyzing trace with hash 2080077336, now seen corresponding path program 6 times [2020-07-17 17:07:27,681 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:07:27,681 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [711339424] [2020-07-17 17:07:27,681 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:07:27,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:27,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:27,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:27,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:27,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:27,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:27,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:28,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:28,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:28,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:28,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:28,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:28,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:28,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:28,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:28,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:28,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:28,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:28,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:28,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:28,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:28,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:28,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:28,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:28,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:28,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:28,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:28,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:28,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:28,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:28,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:28,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:28,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:28,386 INFO L134 CoverageAnalysis]: Checked inductivity of 2955 backedges. 552 proven. 920 refuted. 0 times theorem prover too weak. 1483 trivial. 0 not checked. [2020-07-17 17:07:28,387 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [711339424] [2020-07-17 17:07:28,387 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:07:28,387 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-07-17 17:07:28,387 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8186550] [2020-07-17 17:07:28,388 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-17 17:07:28,388 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:07:28,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-17 17:07:28,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2020-07-17 17:07:28,389 INFO L87 Difference]: Start difference. First operand 85 states and 101 transitions. Second operand 15 states. [2020-07-17 17:07:29,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:07:29,018 INFO L93 Difference]: Finished difference Result 194 states and 284 transitions. [2020-07-17 17:07:29,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-07-17 17:07:29,018 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 281 [2020-07-17 17:07:29,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:07:29,021 INFO L225 Difference]: With dead ends: 194 [2020-07-17 17:07:29,021 INFO L226 Difference]: Without dead ends: 119 [2020-07-17 17:07:29,023 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=245, Invalid=877, Unknown=0, NotChecked=0, Total=1122 [2020-07-17 17:07:29,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-07-17 17:07:29,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 109. [2020-07-17 17:07:29,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-07-17 17:07:29,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 138 transitions. [2020-07-17 17:07:29,041 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 138 transitions. Word has length 281 [2020-07-17 17:07:29,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:07:29,041 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 138 transitions. [2020-07-17 17:07:29,042 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-17 17:07:29,042 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 138 transitions. [2020-07-17 17:07:29,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2020-07-17 17:07:29,048 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:07:29,048 INFO L422 BasicCegarLoop]: trace histogram [41, 41, 33, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 13, 13, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:07:29,048 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-17 17:07:29,049 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:07:29,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:07:29,049 INFO L82 PathProgramCache]: Analyzing trace with hash 260846875, now seen corresponding path program 7 times [2020-07-17 17:07:29,049 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:07:29,049 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1150131275] [2020-07-17 17:07:29,050 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:07:29,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:29,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:29,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:29,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:29,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:29,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:29,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:29,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:29,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:29,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:29,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:29,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:29,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:29,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:29,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:29,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:29,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:29,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:29,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:29,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:29,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:29,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:29,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:29,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:29,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:29,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:29,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:29,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:29,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:29,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:29,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:29,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:29,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:29,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:29,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:29,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:29,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:29,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:29,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:29,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:29,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:29,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:29,956 INFO L134 CoverageAnalysis]: Checked inductivity of 5244 backedges. 264 proven. 1364 refuted. 0 times theorem prover too weak. 3616 trivial. 0 not checked. [2020-07-17 17:07:29,957 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1150131275] [2020-07-17 17:07:29,957 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:07:29,958 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-07-17 17:07:29,958 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124696435] [2020-07-17 17:07:29,959 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-17 17:07:29,959 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:07:29,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-17 17:07:29,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-07-17 17:07:29,959 INFO L87 Difference]: Start difference. First operand 109 states and 138 transitions. Second operand 11 states. [2020-07-17 17:07:30,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:07:30,218 INFO L93 Difference]: Finished difference Result 356 states and 488 transitions. [2020-07-17 17:07:30,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-17 17:07:30,218 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 369 [2020-07-17 17:07:30,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:07:30,224 INFO L225 Difference]: With dead ends: 356 [2020-07-17 17:07:30,224 INFO L226 Difference]: Without dead ends: 350 [2020-07-17 17:07:30,225 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=110, Invalid=196, Unknown=0, NotChecked=0, Total=306 [2020-07-17 17:07:30,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2020-07-17 17:07:30,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 320. [2020-07-17 17:07:30,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2020-07-17 17:07:30,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 441 transitions. [2020-07-17 17:07:30,290 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 441 transitions. Word has length 369 [2020-07-17 17:07:30,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:07:30,292 INFO L479 AbstractCegarLoop]: Abstraction has 320 states and 441 transitions. [2020-07-17 17:07:30,292 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-17 17:07:30,292 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 441 transitions. [2020-07-17 17:07:30,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 740 [2020-07-17 17:07:30,313 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:07:30,314 INFO L422 BasicCegarLoop]: trace histogram [83, 83, 67, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 26, 26, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:07:30,314 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-17 17:07:30,314 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:07:30,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:07:30,315 INFO L82 PathProgramCache]: Analyzing trace with hash -1826894978, now seen corresponding path program 8 times [2020-07-17 17:07:30,315 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:07:30,315 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2135634938] [2020-07-17 17:07:30,315 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:07:30,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:30,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:30,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:31,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:31,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:31,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:31,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:31,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:31,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:31,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:31,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:31,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:31,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:31,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:31,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:31,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:31,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:31,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:31,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:31,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:31,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:31,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:31,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:31,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:31,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:31,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:31,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:31,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:31,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:31,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:31,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:31,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:31,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:31,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:31,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:31,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:31,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:31,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:31,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:31,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:31,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:31,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:31,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:31,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:31,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:31,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:32,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:32,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:32,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:32,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:32,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:32,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:32,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:32,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:32,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:32,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:32,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:32,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:32,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:32,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:32,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:32,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:32,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:32,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:32,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:32,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:32,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:32,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:32,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:32,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:32,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:32,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:32,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:32,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:32,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:32,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:32,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:32,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:32,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:32,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:32,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:32,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:32,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:32,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:32,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:33,251 INFO L134 CoverageAnalysis]: Checked inductivity of 22008 backedges. 2418 proven. 4356 refuted. 0 times theorem prover too weak. 15234 trivial. 0 not checked. [2020-07-17 17:07:33,252 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2135634938] [2020-07-17 17:07:33,252 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:07:33,252 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-07-17 17:07:33,252 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872664033] [2020-07-17 17:07:33,254 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-17 17:07:33,254 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:07:33,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-17 17:07:33,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2020-07-17 17:07:33,255 INFO L87 Difference]: Start difference. First operand 320 states and 441 transitions. Second operand 19 states. [2020-07-17 17:07:34,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:07:34,235 INFO L93 Difference]: Finished difference Result 481 states and 761 transitions. [2020-07-17 17:07:34,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-07-17 17:07:34,236 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 739 [2020-07-17 17:07:34,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:07:34,245 INFO L225 Difference]: With dead ends: 481 [2020-07-17 17:07:34,246 INFO L226 Difference]: Without dead ends: 175 [2020-07-17 17:07:34,253 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 528 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=447, Invalid=1809, Unknown=0, NotChecked=0, Total=2256 [2020-07-17 17:07:34,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2020-07-17 17:07:34,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 149. [2020-07-17 17:07:34,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2020-07-17 17:07:34,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 201 transitions. [2020-07-17 17:07:34,282 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 201 transitions. Word has length 739 [2020-07-17 17:07:34,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:07:34,283 INFO L479 AbstractCegarLoop]: Abstraction has 149 states and 201 transitions. [2020-07-17 17:07:34,283 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-17 17:07:34,283 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 201 transitions. [2020-07-17 17:07:34,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 969 [2020-07-17 17:07:34,292 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:07:34,293 INFO L422 BasicCegarLoop]: trace histogram [109, 109, 88, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 34, 34, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:07:34,293 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-17 17:07:34,293 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:07:34,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:07:34,294 INFO L82 PathProgramCache]: Analyzing trace with hash -668436832, now seen corresponding path program 9 times [2020-07-17 17:07:34,294 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:07:34,294 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [479391228] [2020-07-17 17:07:34,294 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:07:34,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:34,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:35,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:35,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:35,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:35,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:35,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:35,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:35,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:36,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:37,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:37,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:37,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:37,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:37,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:37,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:37,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:37,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:37,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:37,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:37,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:37,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:37,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:37,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:38,225 INFO L134 CoverageAnalysis]: Checked inductivity of 38160 backedges. 950 proven. 5310 refuted. 0 times theorem prover too weak. 31900 trivial. 0 not checked. [2020-07-17 17:07:38,225 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [479391228] [2020-07-17 17:07:38,226 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:07:38,226 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-07-17 17:07:38,226 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437464850] [2020-07-17 17:07:38,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-17 17:07:38,227 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:07:38,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-17 17:07:38,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2020-07-17 17:07:38,228 INFO L87 Difference]: Start difference. First operand 149 states and 201 transitions. Second operand 13 states. [2020-07-17 17:07:38,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:07:38,595 INFO L93 Difference]: Finished difference Result 624 states and 903 transitions. [2020-07-17 17:07:38,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-07-17 17:07:38,596 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 968 [2020-07-17 17:07:38,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:07:38,613 INFO L225 Difference]: With dead ends: 624 [2020-07-17 17:07:38,614 INFO L226 Difference]: Without dead ends: 618 [2020-07-17 17:07:38,615 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=167, Invalid=295, Unknown=0, NotChecked=0, Total=462 [2020-07-17 17:07:38,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2020-07-17 17:07:38,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 576. [2020-07-17 17:07:38,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 576 states. [2020-07-17 17:07:38,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 833 transitions. [2020-07-17 17:07:38,688 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 833 transitions. Word has length 968 [2020-07-17 17:07:38,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:07:38,689 INFO L479 AbstractCegarLoop]: Abstraction has 576 states and 833 transitions. [2020-07-17 17:07:38,689 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-17 17:07:38,689 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 833 transitions. [2020-07-17 17:07:38,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1938 [2020-07-17 17:07:38,721 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:07:38,722 INFO L422 BasicCegarLoop]: trace histogram [219, 219, 177, 109, 109, 109, 109, 109, 109, 109, 109, 109, 109, 68, 68, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:07:38,723 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-17 17:07:38,723 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:07:38,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:07:38,724 INFO L82 PathProgramCache]: Analyzing trace with hash -108146952, now seen corresponding path program 10 times [2020-07-17 17:07:38,724 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:07:38,724 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1807503892] [2020-07-17 17:07:38,724 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:07:39,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:40,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:41,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:42,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:42,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:42,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:42,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:43,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:44,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:44,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:45,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:48,886 INFO L134 CoverageAnalysis]: Checked inductivity of 155401 backedges. 8774 proven. 16708 refuted. 0 times theorem prover too weak. 129919 trivial. 0 not checked. [2020-07-17 17:07:48,887 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1807503892] [2020-07-17 17:07:48,887 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:07:48,887 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-07-17 17:07:48,888 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250386689] [2020-07-17 17:07:48,889 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-07-17 17:07:48,889 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:07:48,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-07-17 17:07:48,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=398, Unknown=0, NotChecked=0, Total=506 [2020-07-17 17:07:48,890 INFO L87 Difference]: Start difference. First operand 576 states and 833 transitions. Second operand 23 states. [2020-07-17 17:07:50,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:07:50,187 INFO L93 Difference]: Finished difference Result 808 states and 1346 transitions. [2020-07-17 17:07:50,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-07-17 17:07:50,188 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 1937 [2020-07-17 17:07:50,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:07:50,195 INFO L225 Difference]: With dead ends: 808 [2020-07-17 17:07:50,195 INFO L226 Difference]: Without dead ends: 246 [2020-07-17 17:07:50,202 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 501 GetRequests, 442 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 915 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=684, Invalid=2976, Unknown=0, NotChecked=0, Total=3660 [2020-07-17 17:07:50,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2020-07-17 17:07:50,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 195. [2020-07-17 17:07:50,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2020-07-17 17:07:50,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 283 transitions. [2020-07-17 17:07:50,225 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 283 transitions. Word has length 1937 [2020-07-17 17:07:50,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:07:50,228 INFO L479 AbstractCegarLoop]: Abstraction has 195 states and 283 transitions. [2020-07-17 17:07:50,228 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-07-17 17:07:50,229 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 283 transitions. [2020-07-17 17:07:50,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1568 [2020-07-17 17:07:50,248 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:07:50,249 INFO L422 BasicCegarLoop]: trace histogram [177, 177, 143, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 55, 55, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:07:50,249 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-07-17 17:07:50,249 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:07:50,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:07:50,250 INFO L82 PathProgramCache]: Analyzing trace with hash -1218167635, now seen corresponding path program 11 times [2020-07-17 17:07:50,250 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:07:50,255 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [8102733] [2020-07-17 17:07:50,255 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:07:50,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:51,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:52,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:53,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:53,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:53,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:53,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:53,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:53,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:54,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:55,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:55,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:55,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:55,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:55,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:55,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:55,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:55,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:55,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:55,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:55,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:55,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:55,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:55,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:55,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:55,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:55,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:55,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:55,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:55,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:55,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:55,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:55,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:55,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:55,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:55,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:55,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:55,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:55,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:55,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:55,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:55,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:55,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:55,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:55,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:55,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:55,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:55,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:56,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:56,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:56,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:56,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:56,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:57,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:57,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:57,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:57,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:57,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:57,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:57,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:57,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:57,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:57,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:57,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:57,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:57,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:57,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:57,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:57,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:57,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:57,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:57,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:57,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:57,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:57,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:57,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:57,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:57,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:57,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:57,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:57,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:57,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:57,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:57,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:57,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:57,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:57,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:57,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:57,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:57,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:57,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:57,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:57,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:57,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:58,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:58,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:58,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:58,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:58,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:58,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:58,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:58,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:58,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:58,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:58,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:58,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:58,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:58,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:58,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:58,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:58,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:58,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:58,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:58,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:58,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:58,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:58,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:58,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:07:58,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:03,118 INFO L134 CoverageAnalysis]: Checked inductivity of 101299 backedges. 0 proven. 37732 refuted. 0 times theorem prover too weak. 63567 trivial. 0 not checked. [2020-07-17 17:08:03,119 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [8102733] [2020-07-17 17:08:03,119 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:08:03,119 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-07-17 17:08:03,119 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937237547] [2020-07-17 17:08:03,120 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-07-17 17:08:03,120 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:08:03,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-07-17 17:08:03,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=871, Unknown=0, NotChecked=0, Total=930 [2020-07-17 17:08:03,122 INFO L87 Difference]: Start difference. First operand 195 states and 283 transitions. Second operand 31 states. [2020-07-17 17:08:04,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:08:04,769 INFO L93 Difference]: Finished difference Result 218 states and 330 transitions. [2020-07-17 17:08:04,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-07-17 17:08:04,770 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 1567 [2020-07-17 17:08:04,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:08:04,777 INFO L225 Difference]: With dead ends: 218 [2020-07-17 17:08:04,777 INFO L226 Difference]: Without dead ends: 212 [2020-07-17 17:08:04,778 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 732 GetRequests, 684 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=153, Invalid=2297, Unknown=0, NotChecked=0, Total=2450 [2020-07-17 17:08:04,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2020-07-17 17:08:04,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 209. [2020-07-17 17:08:04,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2020-07-17 17:08:04,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 316 transitions. [2020-07-17 17:08:04,800 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 316 transitions. Word has length 1567 [2020-07-17 17:08:04,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:08:04,801 INFO L479 AbstractCegarLoop]: Abstraction has 209 states and 316 transitions. [2020-07-17 17:08:04,801 INFO L480 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-07-17 17:08:04,801 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 316 transitions. [2020-07-17 17:08:04,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1938 [2020-07-17 17:08:04,829 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:08:04,830 INFO L422 BasicCegarLoop]: trace histogram [219, 219, 177, 109, 109, 109, 109, 109, 109, 109, 109, 109, 109, 68, 68, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:08:04,830 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-07-17 17:08:04,831 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:08:04,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:08:04,831 INFO L82 PathProgramCache]: Analyzing trace with hash -2025789310, now seen corresponding path program 12 times [2020-07-17 17:08:04,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:08:04,832 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2122213254] [2020-07-17 17:08:04,832 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:08:04,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:06,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:06,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:07,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:07,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:08,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:09,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:09,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:09,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:09,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:09,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:09,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:09,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:09,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:09,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:09,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:09,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:09,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:09,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:09,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:09,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:09,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:09,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:09,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:09,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:09,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:09,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:09,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:09,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:09,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:09,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:09,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:09,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:09,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:09,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:09,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:09,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:09,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:09,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:09,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:09,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:09,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:09,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:09,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:09,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:09,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:09,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:09,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:09,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:09,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:10,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:10,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:10,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:10,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:10,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:10,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:10,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:10,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:10,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:10,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:10,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:10,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:10,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:10,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:10,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:10,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:10,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:10,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:10,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:10,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:10,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:10,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:10,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:10,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:10,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:10,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:10,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:10,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:10,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:10,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:10,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:10,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:10,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:10,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:10,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:10,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:10,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:10,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:10,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:10,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:11,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:14,199 INFO L134 CoverageAnalysis]: Checked inductivity of 155401 backedges. 7896 proven. 15800 refuted. 0 times theorem prover too weak. 131705 trivial. 0 not checked. [2020-07-17 17:08:14,200 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2122213254] [2020-07-17 17:08:14,200 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:08:14,200 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-07-17 17:08:14,200 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019655786] [2020-07-17 17:08:14,202 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-07-17 17:08:14,202 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:08:14,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-07-17 17:08:14,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2020-07-17 17:08:14,203 INFO L87 Difference]: Start difference. First operand 209 states and 316 transitions. Second operand 21 states. [2020-07-17 17:08:15,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:08:15,119 INFO L93 Difference]: Finished difference Result 410 states and 628 transitions. [2020-07-17 17:08:15,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-07-17 17:08:15,124 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 1937 [2020-07-17 17:08:15,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:08:15,131 INFO L225 Difference]: With dead ends: 410 [2020-07-17 17:08:15,131 INFO L226 Difference]: Without dead ends: 227 [2020-07-17 17:08:15,138 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 483 GetRequests, 443 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 335 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=355, Invalid=1367, Unknown=0, NotChecked=0, Total=1722 [2020-07-17 17:08:15,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-07-17 17:08:15,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 182. [2020-07-17 17:08:15,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2020-07-17 17:08:15,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 267 transitions. [2020-07-17 17:08:15,155 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 267 transitions. Word has length 1937 [2020-07-17 17:08:15,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:08:15,156 INFO L479 AbstractCegarLoop]: Abstraction has 182 states and 267 transitions. [2020-07-17 17:08:15,156 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-07-17 17:08:15,156 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 267 transitions. [2020-07-17 17:08:15,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2537 [2020-07-17 17:08:15,208 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:08:15,209 INFO L422 BasicCegarLoop]: trace histogram [287, 287, 232, 143, 143, 143, 143, 143, 143, 143, 143, 143, 143, 89, 89, 55, 55, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:08:15,209 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-07-17 17:08:15,209 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:08:15,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:08:15,210 INFO L82 PathProgramCache]: Analyzing trace with hash 899536051, now seen corresponding path program 13 times [2020-07-17 17:08:15,211 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:08:15,211 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1834886748] [2020-07-17 17:08:15,212 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:08:15,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:18,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:19,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:20,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:21,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:22,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:23,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:08:27,884 INFO L134 CoverageAnalysis]: Checked inductivity of 267432 backedges. 3323 proven. 16895 refuted. 0 times theorem prover too weak. 247214 trivial. 0 not checked. [2020-07-17 17:08:27,884 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1834886748] [2020-07-17 17:08:27,884 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:08:27,885 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-07-17 17:08:27,885 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37082373] [2020-07-17 17:08:27,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-17 17:08:27,887 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:08:27,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-17 17:08:27,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2020-07-17 17:08:27,887 INFO L87 Difference]: Start difference. First operand 182 states and 267 transitions. Second operand 15 states. [2020-07-17 17:08:28,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:08:28,407 INFO L93 Difference]: Finished difference Result 339 states and 516 transitions. [2020-07-17 17:08:28,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-07-17 17:08:28,410 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 2536 [2020-07-17 17:08:28,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:08:28,414 INFO L225 Difference]: With dead ends: 339 [2020-07-17 17:08:28,414 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 17:08:28,417 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 600 GetRequests, 577 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=213, Invalid=387, Unknown=0, NotChecked=0, Total=600 [2020-07-17 17:08:28,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 17:08:28,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 17:08:28,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 17:08:28,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 17:08:28,418 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2536 [2020-07-17 17:08:28,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:08:28,419 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 17:08:28,419 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-17 17:08:28,419 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 17:08:28,419 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 17:08:28,419 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-07-17 17:08:28,422 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 17:08:32,066 WARN L193 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 85 [2020-07-17 17:08:32,829 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 66 [2020-07-17 17:08:33,882 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 209 DAG size of output: 108 [2020-07-17 17:08:34,108 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 6 [2020-07-17 17:08:34,292 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 3 [2020-07-17 17:08:34,446 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 6 [2020-07-17 17:08:35,624 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 190 DAG size of output: 92 [2020-07-17 17:08:36,572 WARN L193 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 85 [2020-07-17 17:08:38,051 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 190 DAG size of output: 90 [2020-07-17 17:08:38,768 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 63 [2020-07-17 17:08:38,899 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 10 [2020-07-17 17:08:39,683 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 63 [2020-07-17 17:08:39,868 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 7 [2020-07-17 17:08:39,872 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-07-17 17:08:39,873 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-07-17 17:08:39,873 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-07-17 17:08:39,873 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-17 17:08:39,873 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 17:08:39,873 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-07-17 17:08:39,873 INFO L264 CegarLoopResult]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 27) the Hoare annotation is: false [2020-07-17 17:08:39,874 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 23 30) the Hoare annotation is: true [2020-07-17 17:08:39,874 INFO L264 CegarLoopResult]: At program point L27(line 27) the Hoare annotation is: false [2020-07-17 17:08:39,874 INFO L264 CegarLoopResult]: At program point L26(lines 26 28) the Hoare annotation is: (and (<= main_~x~0 10) (<= main_~result~0 55) (<= 10 main_~x~0) (<= 55 main_~result~0)) [2020-07-17 17:08:39,874 INFO L264 CegarLoopResult]: At program point L25(line 25) the Hoare annotation is: (and (<= main_~x~0 10) (<= 10 main_~x~0)) [2020-07-17 17:08:39,874 INFO L264 CegarLoopResult]: At program point mainEXIT(lines 23 30) the Hoare annotation is: (<= 10 main_~x~0) [2020-07-17 17:08:39,875 INFO L264 CegarLoopResult]: At program point L25-1(line 25) the Hoare annotation is: (and (<= 55 |main_#t~ret2|) (<= main_~x~0 10) (<= 10 main_~x~0) (<= |main_#t~ret2| 55)) [2020-07-17 17:08:39,875 INFO L264 CegarLoopResult]: At program point L26-2(lines 26 28) the Hoare annotation is: (<= 10 main_~x~0) [2020-07-17 17:08:39,875 INFO L264 CegarLoopResult]: At program point L25-2(line 25) the Hoare annotation is: (and (<= 55 |main_#t~ret2|) (<= main_~x~0 10) (<= 10 main_~x~0) (<= |main_#t~ret2| 55)) [2020-07-17 17:08:39,875 INFO L264 CegarLoopResult]: At program point L25-3(line 25) the Hoare annotation is: (and (<= 55 |main_#t~ret2|) (<= main_~x~0 10) (<= main_~result~0 55) (<= 10 main_~x~0) (<= 55 main_~result~0) (<= |main_#t~ret2| 55)) [2020-07-17 17:08:39,876 INFO L264 CegarLoopResult]: At program point mainFINAL(lines 23 30) the Hoare annotation is: (<= 10 main_~x~0) [2020-07-17 17:08:39,876 INFO L264 CegarLoopResult]: At program point fiboEXIT(lines 5 13) the Hoare annotation is: (let ((.cse2 (and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))) (.cse0 (<= 1 |fibo_#in~n|))) (and (or (not (<= 3 |fibo_#in~n|)) (not (<= |fibo_#in~n| 3)) (and (<= 2 |fibo_#res|) (<= |fibo_#res| 2))) (or (and (<= |fibo_#in~n| 4) (<= |fibo_#res| 3) (<= 3 |fibo_#res|)) (and (<= 21 |fibo_#res|) (<= fibo_~n 8) (<= 8 |fibo_#in~n|) (<= |fibo_#res| 21)) (and (<= |fibo_#res| 34) (<= 9 |fibo_#in~n|) (<= |fibo_#in~n| 9) (<= 34 |fibo_#res|)) (and (<= |fibo_#res| 8) (<= |fibo_#in~n| 6) (<= 8 |fibo_#res|) (<= 6 |fibo_#in~n|)) (and (<= |fibo_#in~n| 7) (<= 13 |fibo_#res|) (<= 7 |fibo_#in~n|) (<= |fibo_#res| 13)) (and (<= 5 |fibo_#res|) (<= 5 |fibo_#in~n|) (<= |fibo_#res| 5) (<= fibo_~n 5)) (<= 11 |fibo_#in~n|) (not (<= 4 |fibo_#in~n|)) (and (<= 55 |fibo_#res|) (<= |fibo_#res| 55) (<= 10 |fibo_#in~n|))) (let ((.cse1 (= fibo_~n |fibo_#in~n|))) (or (and .cse0 .cse1) (and (<= 0 |fibo_#res|) .cse1 (<= |fibo_#res| 0)))) (or .cse2 (not (<= 2 |fibo_#in~n|)) (not (<= |fibo_#in~n| 2))) (or .cse2 (not (<= |fibo_#in~n| 1)) (not .cse0)))) [2020-07-17 17:08:39,876 INFO L264 CegarLoopResult]: At program point fiboFINAL(lines 5 13) the Hoare annotation is: (let ((.cse2 (and (<= |fibo_#res| 1) (<= 1 |fibo_#res|))) (.cse0 (<= 1 |fibo_#in~n|))) (and (or (not (<= 3 |fibo_#in~n|)) (not (<= |fibo_#in~n| 3)) (and (<= 2 |fibo_#res|) (<= |fibo_#res| 2))) (or (and (<= |fibo_#in~n| 4) (<= |fibo_#res| 3) (<= 3 |fibo_#res|)) (and (<= 21 |fibo_#res|) (<= fibo_~n 8) (<= 8 |fibo_#in~n|) (<= |fibo_#res| 21)) (and (<= |fibo_#res| 34) (<= 9 |fibo_#in~n|) (<= |fibo_#in~n| 9) (<= 34 |fibo_#res|)) (and (<= |fibo_#res| 8) (<= |fibo_#in~n| 6) (<= 8 |fibo_#res|) (<= 6 |fibo_#in~n|)) (and (<= |fibo_#in~n| 7) (<= 13 |fibo_#res|) (<= 7 |fibo_#in~n|) (<= |fibo_#res| 13)) (and (<= 5 |fibo_#res|) (<= 5 |fibo_#in~n|) (<= |fibo_#res| 5) (<= fibo_~n 5)) (<= 11 |fibo_#in~n|) (not (<= 4 |fibo_#in~n|)) (and (<= 55 |fibo_#res|) (<= |fibo_#res| 55) (<= 10 |fibo_#in~n|))) (let ((.cse1 (= fibo_~n |fibo_#in~n|))) (or (and .cse0 .cse1) (and (<= 0 |fibo_#res|) .cse1 (<= |fibo_#res| 0)))) (or .cse2 (not (<= 2 |fibo_#in~n|)) (not (<= |fibo_#in~n| 2))) (or .cse2 (not (<= |fibo_#in~n| 1)) (not .cse0)))) [2020-07-17 17:08:39,877 INFO L264 CegarLoopResult]: At program point L11(line 11) the Hoare annotation is: (and (= fibo_~n |fibo_#in~n|) (not (<= |fibo_#in~n| 1))) [2020-07-17 17:08:39,877 INFO L264 CegarLoopResult]: At program point L11-1(line 11) the Hoare annotation is: (let ((.cse1 (<= 1 |fibo_#t~ret0|)) (.cse2 (<= |fibo_#t~ret0| 1)) (.cse0 (= fibo_~n |fibo_#in~n|))) (or (and .cse0 (<= |fibo_#t~ret0| 2) (<= |fibo_#in~n| 4) (<= 2 |fibo_#t~ret0|) (<= 4 fibo_~n)) (and .cse1 .cse2 .cse0 (<= 3 |fibo_#in~n|) (<= |fibo_#in~n| 3)) (and .cse1 .cse2 (<= |fibo_#in~n| 2) .cse0 (<= 2 |fibo_#in~n|)) (and (<= 5 |fibo_#in~n|) (<= 3 |fibo_#t~ret0|) .cse0 (<= |fibo_#t~ret0| 3) (<= fibo_~n 5)) (and .cse0 (<= 11 |fibo_#in~n|)) (and (<= 5 |fibo_#t~ret0|) (<= |fibo_#in~n| 6) (<= |fibo_#t~ret0| 5) .cse0 (<= 6 |fibo_#in~n|)) (and (<= 34 |fibo_#t~ret0|) .cse0 (<= |fibo_#t~ret0| 34) (<= 10 |fibo_#in~n|)) (and (<= |fibo_#in~n| 7) .cse0 (<= |fibo_#t~ret0| 8) (<= 7 |fibo_#in~n|) (<= 8 |fibo_#t~ret0|)) (and .cse0 (<= fibo_~n 8) (<= 8 |fibo_#in~n|) (<= |fibo_#t~ret0| 13) (<= 13 |fibo_#t~ret0|)) (and .cse0 (<= 21 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 21) (<= 9 |fibo_#in~n|) (<= |fibo_#in~n| 9)))) [2020-07-17 17:08:39,877 INFO L264 CegarLoopResult]: At program point L9(line 9) the Hoare annotation is: (and (= fibo_~n |fibo_#in~n|) (<= 1 |fibo_#in~n|) (not (<= 2 |fibo_#in~n|))) [2020-07-17 17:08:39,877 INFO L264 CegarLoopResult]: At program point L11-2(line 11) the Hoare annotation is: (let ((.cse1 (<= 1 |fibo_#t~ret0|)) (.cse2 (<= |fibo_#t~ret0| 1)) (.cse0 (= fibo_~n |fibo_#in~n|))) (or (and .cse0 (<= |fibo_#t~ret0| 2) (<= |fibo_#in~n| 4) (<= 2 |fibo_#t~ret0|) (<= 4 fibo_~n)) (and .cse1 .cse2 .cse0 (<= 3 |fibo_#in~n|) (<= |fibo_#in~n| 3)) (and .cse1 .cse2 (<= |fibo_#in~n| 2) .cse0 (<= 2 |fibo_#in~n|)) (and (<= 5 |fibo_#in~n|) (<= 3 |fibo_#t~ret0|) .cse0 (<= |fibo_#t~ret0| 3) (<= fibo_~n 5)) (and .cse0 (<= 11 |fibo_#in~n|)) (and (<= 5 |fibo_#t~ret0|) (<= |fibo_#in~n| 6) (<= |fibo_#t~ret0| 5) .cse0 (<= 6 |fibo_#in~n|)) (and (<= 34 |fibo_#t~ret0|) .cse0 (<= |fibo_#t~ret0| 34) (<= 10 |fibo_#in~n|)) (and (<= |fibo_#in~n| 7) .cse0 (<= |fibo_#t~ret0| 8) (<= 7 |fibo_#in~n|) (<= 8 |fibo_#t~ret0|)) (and .cse0 (<= fibo_~n 8) (<= 8 |fibo_#in~n|) (<= |fibo_#t~ret0| 13) (<= 13 |fibo_#t~ret0|)) (and .cse0 (<= 21 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 21) (<= 9 |fibo_#in~n|) (<= |fibo_#in~n| 9)))) [2020-07-17 17:08:39,877 INFO L264 CegarLoopResult]: At program point L8(lines 8 12) the Hoare annotation is: (and (<= 1 |fibo_#in~n|) (= fibo_~n |fibo_#in~n|)) [2020-07-17 17:08:39,878 INFO L264 CegarLoopResult]: At program point L11-3(line 11) the Hoare annotation is: (let ((.cse10 (<= 1 |fibo_#t~ret0|)) (.cse11 (<= |fibo_#t~ret0| 1)) (.cse6 (+ |fibo_#t~ret0| |fibo_#t~ret1|)) (.cse1 (<= |fibo_#in~n| 3))) (let ((.cse0 (not (<= 3 |fibo_#in~n|))) (.cse2 (and .cse10 .cse11 (<= 2 .cse6) (<= .cse6 2) .cse1)) (.cse3 (and (<= .cse6 13) (<= |fibo_#in~n| 7) (<= |fibo_#t~ret0| 8) (<= 7 |fibo_#in~n|) (<= 13 .cse6) (<= 8 |fibo_#t~ret0|))) (.cse4 (and (<= 5 |fibo_#t~ret0|) (<= |fibo_#in~n| 6) (<= |fibo_#t~ret0| 5) (<= .cse6 8) (<= 8 .cse6) (<= 6 |fibo_#in~n|))) (.cse5 (and (<= 21 |fibo_#t~ret0|) (<= 34 .cse6) (<= .cse6 34) (<= |fibo_#t~ret0| 21) (<= 9 |fibo_#in~n|) (<= |fibo_#in~n| 9))) (.cse7 (<= 11 |fibo_#in~n|)) (.cse8 (and (<= 21 .cse6) (<= |fibo_#in~n| 8) (<= |fibo_#t~ret0| 13) (<= 8 |fibo_#in~n|) (<= 13 |fibo_#t~ret0|) (<= .cse6 21))) (.cse9 (and (<= 34 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 34) (<= 55 .cse6) (<= .cse6 55) (<= 10 |fibo_#in~n|)))) (and (or .cse0 (not .cse1) .cse2) (or .cse0 .cse3 .cse4 .cse5 (and (<= 3 .cse6) (<= .cse6 3) (<= |fibo_#t~ret0| 2) (<= |fibo_#in~n| 4) (<= 2 |fibo_#t~ret0|)) (and (<= 5 .cse6) (<= 5 |fibo_#in~n|) (<= 3 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 3) (<= .cse6 5)) .cse7 .cse8 .cse9 .cse2) (= fibo_~n |fibo_#in~n|) (or .cse3 .cse4 .cse5 .cse7 .cse8 .cse9 (<= fibo_~n 5)) (or (and (<= .cse6 1) .cse10 (<= 1 .cse6) .cse11 (<= 2 |fibo_#in~n|)) (not (<= |fibo_#in~n| 2)))))) [2020-07-17 17:08:39,878 INFO L264 CegarLoopResult]: At program point L7(line 7) the Hoare annotation is: (and (= fibo_~n |fibo_#in~n|) (<= |fibo_#in~n| 0)) [2020-07-17 17:08:39,878 INFO L264 CegarLoopResult]: At program point L11-4(line 11) the Hoare annotation is: (let ((.cse9 (<= 1 |fibo_#t~ret0|)) (.cse10 (<= |fibo_#t~ret0| 1)) (.cse1 (<= |fibo_#in~n| 3)) (.cse6 (= fibo_~n |fibo_#in~n|)) (.cse8 (+ |fibo_#t~ret0| |fibo_#t~ret1|))) (let ((.cse0 (not (<= 3 |fibo_#in~n|))) (.cse3 (and .cse6 (<= 21 .cse8) (<= |fibo_#in~n| 8) (<= |fibo_#t~ret0| 13) (<= 8 |fibo_#in~n|) (<= 13 |fibo_#t~ret0|) (<= .cse8 21))) (.cse4 (and .cse6 (<= 11 |fibo_#in~n|))) (.cse5 (and (<= 34 |fibo_#t~ret0|) .cse6 (<= |fibo_#t~ret0| 34) (<= 55 .cse8) (<= .cse8 55) (<= 10 |fibo_#in~n|))) (.cse7 (and .cse6 (<= 21 |fibo_#t~ret0|) (<= 34 .cse8) (<= .cse8 34) (<= |fibo_#t~ret0| 21) (<= 9 |fibo_#in~n|) (<= |fibo_#in~n| 9))) (.cse2 (and .cse9 .cse10 (<= 2 .cse8) (<= .cse8 2) .cse1))) (and (or .cse0 (not .cse1) .cse2) (or .cse3 .cse4 .cse5 (and (<= |fibo_#in~n| 7) .cse6) .cse7) (or .cse0 (and (<= 3 .cse8) (<= .cse8 3) (<= fibo_~n 4) (<= |fibo_#t~ret0| 2) (<= 2 |fibo_#t~ret0|)) (and (<= .cse8 13) (<= |fibo_#t~ret0| 8) (<= 7 |fibo_#in~n|) (<= 13 .cse8) (<= 8 |fibo_#t~ret0|)) (and (<= 5 .cse8) (<= 5 |fibo_#in~n|) (<= 3 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 3) (<= .cse8 5) (<= fibo_~n 5)) (and (<= 5 |fibo_#t~ret0|) (<= |fibo_#in~n| 6) (<= |fibo_#t~ret0| 5) (<= .cse8 8) (<= 8 .cse8) (<= 6 |fibo_#in~n|)) .cse3 .cse4 .cse5 .cse7 .cse2) (or (and (<= .cse8 1) .cse9 (<= 1 .cse8) .cse10 (<= 2 |fibo_#in~n|)) (not (<= |fibo_#in~n| 2)))))) [2020-07-17 17:08:39,878 INFO L264 CegarLoopResult]: At program point L6(lines 6 12) the Hoare annotation is: (= fibo_~n |fibo_#in~n|) [2020-07-17 17:08:39,879 INFO L264 CegarLoopResult]: At program point L11-5(line 11) the Hoare annotation is: (let ((.cse2 (<= 1 |fibo_#t~ret0|)) (.cse1 (+ |fibo_#t~ret0| |fibo_#t~ret1|)) (.cse3 (<= |fibo_#t~ret0| 1)) (.cse0 (= fibo_~n |fibo_#in~n|))) (and (or (not (<= 3 |fibo_#in~n|)) (and .cse0 (<= 21 .cse1) (<= |fibo_#in~n| 8) (<= 21 |fibo_#res|) (<= |fibo_#t~ret0| 13) (<= 8 |fibo_#in~n|) (<= |fibo_#res| 21) (<= 13 |fibo_#t~ret0|) (<= .cse1 21)) (and .cse2 (<= 2 |fibo_#res|) .cse3 .cse0 (<= 2 .cse1) (<= .cse1 2) (<= |fibo_#res| 2) (<= |fibo_#in~n| 3)) (and (<= 5 |fibo_#t~ret0|) (<= |fibo_#res| 8) (<= |fibo_#in~n| 6) (<= |fibo_#t~ret0| 5) .cse0 (<= 8 |fibo_#res|) (<= .cse1 8) (<= 8 .cse1) (<= 6 |fibo_#in~n|)) (and (<= |fibo_#res| 34) .cse0 (<= 21 |fibo_#t~ret0|) (<= 34 .cse1) (<= .cse1 34) (<= |fibo_#t~ret0| 21) (<= 9 |fibo_#in~n|) (<= |fibo_#in~n| 9) (<= 34 |fibo_#res|)) (and .cse0 (<= 11 |fibo_#in~n|)) (and (<= 5 |fibo_#res|) (<= 5 .cse1) (<= 5 |fibo_#in~n|) .cse0 (<= 3 |fibo_#t~ret0|) (<= |fibo_#res| 5) (<= |fibo_#t~ret0| 3) (<= .cse1 5) (<= fibo_~n 5)) (and .cse0 (<= 3 .cse1) (<= .cse1 3) (<= |fibo_#t~ret0| 2) (<= |fibo_#in~n| 4) (<= |fibo_#res| 3) (<= 2 |fibo_#t~ret0|) (<= 3 |fibo_#res|) (<= 4 fibo_~n)) (and (<= 34 |fibo_#t~ret0|) .cse0 (<= |fibo_#t~ret0| 34) (<= 55 .cse1) (<= .cse1 55) (<= |fibo_#res| 55) (<= 10 |fibo_#in~n|) (<= 55 |fibo_#res|)) (and (<= .cse1 13) (<= |fibo_#in~n| 7) .cse0 (<= |fibo_#t~ret0| 8) (<= 13 |fibo_#res|) (<= 13 .cse1) (<= 7 |fibo_#in~n|) (<= |fibo_#res| 13) (<= 8 |fibo_#t~ret0|))) (or (and (<= .cse1 1) .cse2 (<= 1 .cse1) .cse3 .cse0 (<= |fibo_#res| 1) (<= 1 |fibo_#res|)) (not (<= |fibo_#in~n| 2))) (not (<= |fibo_#in~n| 1)))) [2020-07-17 17:08:39,879 INFO L271 CegarLoopResult]: At program point fiboENTRY(lines 5 13) the Hoare annotation is: true [2020-07-17 17:08:39,879 INFO L264 CegarLoopResult]: At program point L11-6(line 11) the Hoare annotation is: (let ((.cse0 (= fibo_~n |fibo_#in~n|))) (or (and (<= 5 |fibo_#res|) (<= 5 |fibo_#in~n|) .cse0 (<= |fibo_#res| 5) (<= fibo_~n 5)) (and .cse0 (<= 55 |fibo_#res|) (<= |fibo_#res| 55) (<= 10 |fibo_#in~n|)) (and (<= |fibo_#in~n| 7) .cse0 (<= 13 |fibo_#res|) (<= 7 |fibo_#in~n|) (<= |fibo_#res| 13)) (and .cse0 (<= 21 |fibo_#res|) (<= fibo_~n 8) (<= 8 |fibo_#in~n|) (<= |fibo_#res| 21)) (and .cse0 (<= 11 |fibo_#in~n|)) (and (<= |fibo_#in~n| 2) .cse0 (<= |fibo_#res| 1) (<= 2 |fibo_#in~n|) (<= 1 |fibo_#res|)) (and (<= |fibo_#res| 8) (<= |fibo_#in~n| 6) .cse0 (<= 8 |fibo_#res|) (<= 6 |fibo_#in~n|)) (and (<= |fibo_#res| 34) .cse0 (<= 9 |fibo_#in~n|) (<= |fibo_#in~n| 9) (<= 34 |fibo_#res|)) (and (<= 2 |fibo_#res|) .cse0 (<= |fibo_#res| 2) (<= 3 |fibo_#in~n|) (<= |fibo_#in~n| 3)) (and .cse0 (<= |fibo_#in~n| 4) (<= |fibo_#res| 3) (<= 3 |fibo_#res|) (<= 4 fibo_~n)))) [2020-07-17 17:08:39,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 05:08:39 BoogieIcfgContainer [2020-07-17 17:08:39,899 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 17:08:39,901 INFO L168 Benchmark]: Toolchain (without parser) took 76756.00 ms. Allocated memory was 138.4 MB in the beginning and 2.7 GB in the end (delta: 2.6 GB). Free memory was 102.8 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2020-07-17 17:08:39,902 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 138.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-17 17:08:39,903 INFO L168 Benchmark]: CACSL2BoogieTranslator took 249.33 ms. Allocated memory is still 138.4 MB. Free memory was 102.3 MB in the beginning and 93.1 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2020-07-17 17:08:39,903 INFO L168 Benchmark]: Boogie Preprocessor took 35.73 ms. Allocated memory is still 138.4 MB. Free memory was 93.1 MB in the beginning and 91.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-07-17 17:08:39,904 INFO L168 Benchmark]: RCFGBuilder took 514.70 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 91.7 MB in the beginning and 170.2 MB in the end (delta: -78.5 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. [2020-07-17 17:08:39,905 INFO L168 Benchmark]: TraceAbstraction took 75947.63 ms. Allocated memory was 202.4 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 169.5 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2020-07-17 17:08:39,908 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 138.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 249.33 ms. Allocated memory is still 138.4 MB. Free memory was 102.3 MB in the beginning and 93.1 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 35.73 ms. Allocated memory is still 138.4 MB. Free memory was 93.1 MB in the beginning and 91.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 514.70 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 91.7 MB in the beginning and 170.2 MB in the end (delta: -78.5 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 75947.63 ms. Allocated memory was 202.4 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 169.5 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 27]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 23]: Procedure Contract for main Derived contract for procedure main: 10 <= x - ProcedureContractResult [Line: 5]: Procedure Contract for fibo Derived contract for procedure fibo: (((((!(3 <= \old(n)) || !(\old(n) <= 3)) || (2 <= \result && \result <= 2)) && ((((((((((\old(n) <= 4 && \result <= 3) && 3 <= \result) || (((21 <= \result && n <= 8) && 8 <= \old(n)) && \result <= 21)) || (((\result <= 34 && 9 <= \old(n)) && \old(n) <= 9) && 34 <= \result)) || (((\result <= 8 && \old(n) <= 6) && 8 <= \result) && 6 <= \old(n))) || (((\old(n) <= 7 && 13 <= \result) && 7 <= \old(n)) && \result <= 13)) || (((5 <= \result && 5 <= \old(n)) && \result <= 5) && n <= 5)) || 11 <= \old(n)) || !(4 <= \old(n))) || ((55 <= \result && \result <= 55) && 10 <= \old(n)))) && ((1 <= \old(n) && n == \old(n)) || ((0 <= \result && n == \old(n)) && \result <= 0))) && (((\result <= 1 && 1 <= \result) || !(2 <= \old(n))) || !(\old(n) <= 2))) && (((\result <= 1 && 1 <= \result) || !(\old(n) <= 1)) || !(1 <= \old(n))) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 64.4s, OverallIterations: 16, TraceHistogramMax: 287, AutomataDifference: 8.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 725 SDtfs, 1612 SDslu, 3707 SDs, 0 SdLazy, 4697 SolverSat, 1011 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3205 GetRequests, 2835 SyntacticMatches, 0 SemanticMatches, 370 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2490 ImplicationChecksByTransitivity, 5.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=576occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 16 MinimizatonAttempts, 237 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 3699 PreInvPairs, 5912 NumberOfFragments, 1880 HoareAnnotationTreeSize, 3699 FomulaSimplifications, 30287 FormulaSimplificationTreeSizeReduction, 2.6s HoareSimplificationTime, 31 FomulaSimplificationsInter, 49216 FormulaSimplificationTreeSizeReductionInter, 8.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 46.0s InterpolantComputationTime, 10853 NumberOfCodeBlocks, 10853 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 10837 ConstructedInterpolants, 0 QuantifiedInterpolants, 30035707 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 2 PerfectInterpolantSequences, 650113/749832 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...