/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 -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/recursive-simple/fibo_10-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 13:03:57,182 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 13:03:57,184 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 13:03:57,204 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 13:03:57,204 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 13:03:57,206 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 13:03:57,208 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 13:03:57,218 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 13:03:57,220 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 13:03:57,221 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 13:03:57,222 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 13:03:57,223 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 13:03:57,223 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 13:03:57,224 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 13:03:57,225 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 13:03:57,226 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 13:03:57,227 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 13:03:57,228 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 13:03:57,229 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 13:03:57,231 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 13:03:57,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 13:03:57,234 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 13:03:57,235 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 13:03:57,235 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 13:03:57,238 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-07 13:03:57,245 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 13:03:57,246 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 13:03:57,247 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 13:03:57,247 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-07 13:03:57,256 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 13:03:57,256 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 13:03:57,258 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 13:03:57,258 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 13:03:57,258 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 13:03:57,258 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 13:03:57,258 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 13:03:57,259 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 13:03:57,259 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 13:03:57,259 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 13:03:57,259 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 13:03:57,259 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 13:03:57,259 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 13:03:57,260 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 13:03:57,260 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 13:03:57,260 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-07 13:03:57,260 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 13:03:57,260 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 13:03:57,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 13:03:57,261 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 13:03:57,261 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-07 13:03:57,261 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 13:03:57,261 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-07 13:03:57,547 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 13:03:57,560 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 13:03:57,563 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 13:03:57,565 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 13:03:57,565 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 13:03:57,566 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_10-2.c [2020-07-07 13:03:57,645 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62c2d8ccd/d89fb6c0cab14a638080f7159d4c66fa/FLAG20c564125 [2020-07-07 13:03:58,103 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 13:03:58,103 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive-simple/fibo_10-2.c [2020-07-07 13:03:58,109 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62c2d8ccd/d89fb6c0cab14a638080f7159d4c66fa/FLAG20c564125 [2020-07-07 13:03:58,465 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62c2d8ccd/d89fb6c0cab14a638080f7159d4c66fa [2020-07-07 13:03:58,477 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 13:03:58,479 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 13:03:58,480 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 13:03:58,480 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 13:03:58,484 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 13:03:58,485 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 01:03:58" (1/1) ... [2020-07-07 13:03:58,489 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40f97057 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:03:58, skipping insertion in model container [2020-07-07 13:03:58,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 01:03:58" (1/1) ... [2020-07-07 13:03:58,499 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 13:03:58,515 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 13:03:58,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 13:03:58,681 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 13:03:58,699 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 13:03:58,716 INFO L208 MainTranslator]: Completed translation [2020-07-07 13:03:58,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:03:58 WrapperNode [2020-07-07 13:03:58,717 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 13:03:58,718 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 13:03:58,718 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 13:03:58,718 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 13:03:58,733 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:03:58" (1/1) ... [2020-07-07 13:03:58,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:03:58" (1/1) ... [2020-07-07 13:03:58,739 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:03:58" (1/1) ... [2020-07-07 13:03:58,739 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:03:58" (1/1) ... [2020-07-07 13:03:58,743 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:03:58" (1/1) ... [2020-07-07 13:03:58,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:03:58" (1/1) ... [2020-07-07 13:03:58,746 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:03:58" (1/1) ... [2020-07-07 13:03:58,747 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 13:03:58,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 13:03:58,748 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 13:03:58,748 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 13:03:58,749 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:03:58" (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 [2020-07-07 13:03:58,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 13:03:58,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 13:03:58,932 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo [2020-07-07 13:03:58,932 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 13:03:58,932 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 13:03:58,932 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 13:03:58,932 INFO L130 BoogieDeclarations]: Found specification of procedure fibo [2020-07-07 13:03:58,932 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 13:03:58,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 13:03:58,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 13:03:59,111 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 13:03:59,112 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-07 13:03:59,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 01:03:59 BoogieIcfgContainer [2020-07-07 13:03:59,117 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 13:03:59,118 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 13:03:59,118 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 13:03:59,121 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 13:03:59,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 01:03:58" (1/3) ... [2020-07-07 13:03:59,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@392c9070 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 01:03:59, skipping insertion in model container [2020-07-07 13:03:59,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:03:58" (2/3) ... [2020-07-07 13:03:59,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@392c9070 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 01:03:59, skipping insertion in model container [2020-07-07 13:03:59,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 01:03:59" (3/3) ... [2020-07-07 13:03:59,125 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_10-2.c [2020-07-07 13:03:59,138 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-07 13:03:59,146 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 13:03:59,161 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 13:03:59,189 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 13:03:59,190 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 13:03:59,190 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-07 13:03:59,190 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 13:03:59,190 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 13:03:59,190 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 13:03:59,191 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 13:03:59,191 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 13:03:59,209 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2020-07-07 13:03:59,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-07 13:03:59,222 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:03:59,223 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 13:03:59,224 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:03:59,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:03:59,235 INFO L82 PathProgramCache]: Analyzing trace with hash -1756383024, now seen corresponding path program 1 times [2020-07-07 13:03:59,254 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:03:59,255 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [21890213] [2020-07-07 13:03:59,257 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:03:59,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:03:59,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:03:59,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:03:59,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 13:03:59,497 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:03:59,499 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [21890213] [2020-07-07 13:03:59,501 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:03:59,501 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-07 13:03:59,502 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451569051] [2020-07-07 13:03:59,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 13:03:59,507 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:03:59,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 13:03:59,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-07 13:03:59,524 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 5 states. [2020-07-07 13:03:59,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:03:59,636 INFO L93 Difference]: Finished difference Result 44 states and 50 transitions. [2020-07-07 13:03:59,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-07 13:03:59,638 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-07-07 13:03:59,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:03:59,647 INFO L225 Difference]: With dead ends: 44 [2020-07-07 13:03:59,648 INFO L226 Difference]: Without dead ends: 28 [2020-07-07 13:03:59,651 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 [2020-07-07 13:03:59,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-07-07 13:03:59,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2020-07-07 13:03:59,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-07-07 13:03:59,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2020-07-07 13:03:59,705 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 16 [2020-07-07 13:03:59,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:03:59,705 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2020-07-07 13:03:59,705 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 13:03:59,706 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2020-07-07 13:03:59,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-07 13:03:59,708 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:03:59,708 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 13:03:59,709 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 13:03:59,709 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:03:59,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:03:59,710 INFO L82 PathProgramCache]: Analyzing trace with hash -389703589, now seen corresponding path program 1 times [2020-07-07 13:03:59,710 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:03:59,710 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1405182429] [2020-07-07 13:03:59,710 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:03:59,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:03:59,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:03:59,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:03:59,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 13:03:59,797 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:03:59,797 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1405182429] [2020-07-07 13:03:59,797 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:03:59,798 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-07 13:03:59,798 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111033938] [2020-07-07 13:03:59,799 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 13:03:59,799 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:03:59,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 13:03:59,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-07 13:03:59,800 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand 5 states. [2020-07-07 13:03:59,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:03:59,873 INFO L93 Difference]: Finished difference Result 36 states and 41 transitions. [2020-07-07 13:03:59,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-07 13:03:59,874 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-07-07 13:03:59,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:03:59,875 INFO L225 Difference]: With dead ends: 36 [2020-07-07 13:03:59,876 INFO L226 Difference]: Without dead ends: 30 [2020-07-07 13:03:59,877 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 [2020-07-07 13:03:59,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-07-07 13:03:59,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 28. [2020-07-07 13:03:59,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-07-07 13:03:59,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2020-07-07 13:03:59,889 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 17 [2020-07-07 13:03:59,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:03:59,890 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2020-07-07 13:03:59,890 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 13:03:59,890 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2020-07-07 13:03:59,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-07-07 13:03:59,892 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:03:59,892 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] [2020-07-07 13:03:59,893 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 13:03:59,893 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:03:59,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:03:59,893 INFO L82 PathProgramCache]: Analyzing trace with hash 50309368, now seen corresponding path program 1 times [2020-07-07 13:03:59,894 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:03:59,894 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1468789194] [2020-07-07 13:03:59,894 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:03:59,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:03:59,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:03:59,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:03:59,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:00,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:00,030 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-07 13:04:00,031 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:04:00,031 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1468789194] [2020-07-07 13:04:00,031 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:04:00,031 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-07 13:04:00,032 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317501085] [2020-07-07 13:04:00,032 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-07 13:04:00,032 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:04:00,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-07 13:04:00,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-07 13:04:00,033 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand 7 states. [2020-07-07 13:04:00,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:04:00,175 INFO L93 Difference]: Finished difference Result 52 states and 63 transitions. [2020-07-07 13:04:00,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 13:04:00,176 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2020-07-07 13:04:00,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:04:00,177 INFO L225 Difference]: With dead ends: 52 [2020-07-07 13:04:00,178 INFO L226 Difference]: Without dead ends: 30 [2020-07-07 13:04:00,179 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-07-07 13:04:00,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-07-07 13:04:00,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-07-07 13:04:00,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-07-07 13:04:00,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2020-07-07 13:04:00,191 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 33 [2020-07-07 13:04:00,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:04:00,192 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2020-07-07 13:04:00,192 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-07 13:04:00,192 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2020-07-07 13:04:00,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-07-07 13:04:00,194 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:04:00,194 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] [2020-07-07 13:04:00,194 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 13:04:00,195 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:04:00,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:04:00,195 INFO L82 PathProgramCache]: Analyzing trace with hash -643371531, now seen corresponding path program 1 times [2020-07-07 13:04:00,196 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:04:00,196 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [325603820] [2020-07-07 13:04:00,196 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:04:00,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:00,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:00,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:00,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:00,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:00,315 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-07 13:04:00,315 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:04:00,316 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [325603820] [2020-07-07 13:04:00,316 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:04:00,316 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-07 13:04:00,317 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712778223] [2020-07-07 13:04:00,317 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-07 13:04:00,318 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:04:00,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-07 13:04:00,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-07 13:04:00,318 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand 7 states. [2020-07-07 13:04:00,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:04:00,437 INFO L93 Difference]: Finished difference Result 56 states and 70 transitions. [2020-07-07 13:04:00,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 13:04:00,438 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2020-07-07 13:04:00,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:04:00,440 INFO L225 Difference]: With dead ends: 56 [2020-07-07 13:04:00,441 INFO L226 Difference]: Without dead ends: 50 [2020-07-07 13:04:00,441 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-07-07 13:04:00,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-07-07 13:04:00,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2020-07-07 13:04:00,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-07-07 13:04:00,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 64 transitions. [2020-07-07 13:04:00,458 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 64 transitions. Word has length 34 [2020-07-07 13:04:00,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:04:00,458 INFO L479 AbstractCegarLoop]: Abstraction has 50 states and 64 transitions. [2020-07-07 13:04:00,458 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-07 13:04:00,458 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2020-07-07 13:04:00,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-07 13:04:00,461 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:04:00,461 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] [2020-07-07 13:04:00,462 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 13:04:00,462 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:04:00,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:04:00,462 INFO L82 PathProgramCache]: Analyzing trace with hash 1274787059, now seen corresponding path program 2 times [2020-07-07 13:04:00,463 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:04:00,463 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1007686655] [2020-07-07 13:04:00,463 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:04:00,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:00,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:00,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:00,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:00,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:00,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:00,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:00,653 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-07 13:04:00,654 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:04:00,654 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1007686655] [2020-07-07 13:04:00,654 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:04:00,655 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 13:04:00,655 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419126909] [2020-07-07 13:04:00,655 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 13:04:00,656 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:04:00,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 13:04:00,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-07-07 13:04:00,656 INFO L87 Difference]: Start difference. First operand 50 states and 64 transitions. Second operand 9 states. [2020-07-07 13:04:00,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:04:00,785 INFO L93 Difference]: Finished difference Result 111 states and 156 transitions. [2020-07-07 13:04:00,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-07 13:04:00,786 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 51 [2020-07-07 13:04:00,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:04:00,788 INFO L225 Difference]: With dead ends: 111 [2020-07-07 13:04:00,789 INFO L226 Difference]: Without dead ends: 67 [2020-07-07 13:04:00,790 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-07-07 13:04:00,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-07-07 13:04:00,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 55. [2020-07-07 13:04:00,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-07-07 13:04:00,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 70 transitions. [2020-07-07 13:04:00,806 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 70 transitions. Word has length 51 [2020-07-07 13:04:00,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:04:00,806 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 70 transitions. [2020-07-07 13:04:00,806 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 13:04:00,807 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2020-07-07 13:04:00,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-07 13:04:00,809 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:04:00,809 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] [2020-07-07 13:04:00,810 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 13:04:00,810 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:04:00,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:04:00,810 INFO L82 PathProgramCache]: Analyzing trace with hash 99184320, now seen corresponding path program 3 times [2020-07-07 13:04:00,811 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:04:00,811 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1341628304] [2020-07-07 13:04:00,811 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:04:00,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:00,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:00,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:00,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:00,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:00,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:00,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:00,942 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-07 13:04:00,943 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:04:00,943 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1341628304] [2020-07-07 13:04:00,943 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:04:00,944 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 13:04:00,944 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323062882] [2020-07-07 13:04:00,945 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 13:04:00,946 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:04:00,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 13:04:00,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-07-07 13:04:00,947 INFO L87 Difference]: Start difference. First operand 55 states and 70 transitions. Second operand 9 states. [2020-07-07 13:04:01,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:04:01,070 INFO L93 Difference]: Finished difference Result 89 states and 117 transitions. [2020-07-07 13:04:01,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-07 13:04:01,072 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 52 [2020-07-07 13:04:01,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:04:01,075 INFO L225 Difference]: With dead ends: 89 [2020-07-07 13:04:01,075 INFO L226 Difference]: Without dead ends: 83 [2020-07-07 13:04:01,076 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-07-07 13:04:01,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-07-07 13:04:01,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 77. [2020-07-07 13:04:01,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-07-07 13:04:01,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 103 transitions. [2020-07-07 13:04:01,099 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 103 transitions. Word has length 52 [2020-07-07 13:04:01,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:04:01,100 INFO L479 AbstractCegarLoop]: Abstraction has 77 states and 103 transitions. [2020-07-07 13:04:01,100 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 13:04:01,100 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 103 transitions. [2020-07-07 13:04:01,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-07-07 13:04:01,105 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:04:01,106 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] [2020-07-07 13:04:01,106 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 13:04:01,106 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:04:01,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:04:01,107 INFO L82 PathProgramCache]: Analyzing trace with hash 1883941443, now seen corresponding path program 4 times [2020-07-07 13:04:01,107 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:04:01,107 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1125368605] [2020-07-07 13:04:01,107 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:04:01,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:01,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:01,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:01,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:01,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:01,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:01,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:01,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:01,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:01,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:01,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:01,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:01,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:01,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:01,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:01,524 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 17 proven. 70 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-07-07 13:04:01,524 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:04:01,525 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1125368605] [2020-07-07 13:04:01,525 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:04:01,525 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-07-07 13:04:01,525 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107741404] [2020-07-07 13:04:01,528 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-07 13:04:01,528 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:04:01,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-07 13:04:01,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2020-07-07 13:04:01,529 INFO L87 Difference]: Start difference. First operand 77 states and 103 transitions. Second operand 15 states. [2020-07-07 13:04:01,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:04:01,823 INFO L93 Difference]: Finished difference Result 142 states and 213 transitions. [2020-07-07 13:04:01,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-07 13:04:01,823 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 123 [2020-07-07 13:04:01,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:04:01,827 INFO L225 Difference]: With dead ends: 142 [2020-07-07 13:04:01,827 INFO L226 Difference]: Without dead ends: 73 [2020-07-07 13:04:01,829 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2020-07-07 13:04:01,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-07-07 13:04:01,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 70. [2020-07-07 13:04:01,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-07-07 13:04:01,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 86 transitions. [2020-07-07 13:04:01,844 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 86 transitions. Word has length 123 [2020-07-07 13:04:01,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:04:01,845 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 86 transitions. [2020-07-07 13:04:01,845 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-07 13:04:01,845 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 86 transitions. [2020-07-07 13:04:01,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-07-07 13:04:01,848 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:04:01,849 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] [2020-07-07 13:04:01,849 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-07 13:04:01,849 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:04:01,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:04:01,849 INFO L82 PathProgramCache]: Analyzing trace with hash 532445701, now seen corresponding path program 5 times [2020-07-07 13:04:01,850 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:04:01,850 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1119869788] [2020-07-07 13:04:01,850 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Garbage collection #1: 17 nodes / 0 free / 0.0s / 0.0s total Resizing node table from 17 to 31 Garbage collection #2: 31 nodes / 0 free / 0.001s / 0.001s total Resizing node table from 31 to 61 Garbage collection #3: 61 nodes / 0 free / 0.0s / 0.001s total Resizing node table from 61 to 113 Garbage collection #4: 113 nodes / 0 free / 0.0s / 0.001s total Resizing node table from 113 to 223 [2020-07-07 13:04:01,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:02,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:02,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:02,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:02,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:02,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:02,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:02,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:02,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:02,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:02,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:02,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:02,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:02,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:02,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:02,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:02,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:02,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:02,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:02,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:02,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:02,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:02,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:02,523 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 47 proven. 92 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2020-07-07 13:04:02,523 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:04:02,524 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1119869788] [2020-07-07 13:04:02,524 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:04:02,524 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-07-07 13:04:02,525 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66099315] [2020-07-07 13:04:02,525 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-07-07 13:04:02,525 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:04:02,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-07-07 13:04:02,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2020-07-07 13:04:02,526 INFO L87 Difference]: Start difference. First operand 70 states and 86 transitions. Second operand 18 states. [2020-07-07 13:04:02,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:04:02,959 INFO L93 Difference]: Finished difference Result 149 states and 214 transitions. [2020-07-07 13:04:02,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-07-07 13:04:02,960 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 193 [2020-07-07 13:04:02,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:04:02,964 INFO L225 Difference]: With dead ends: 149 [2020-07-07 13:04:02,964 INFO L226 Difference]: Without dead ends: 92 [2020-07-07 13:04:02,966 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=190, Invalid=622, Unknown=0, NotChecked=0, Total=812 [2020-07-07 13:04:02,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-07-07 13:04:02,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 85. [2020-07-07 13:04:02,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-07-07 13:04:02,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 104 transitions. [2020-07-07 13:04:02,996 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 104 transitions. Word has length 193 [2020-07-07 13:04:02,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:04:02,997 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 104 transitions. [2020-07-07 13:04:02,997 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-07-07 13:04:02,997 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 104 transitions. [2020-07-07 13:04:03,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-07-07 13:04:03,005 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:04:03,005 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 20, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 8, 8, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 13:04:03,005 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-07 13:04:03,005 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:04:03,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:04:03,006 INFO L82 PathProgramCache]: Analyzing trace with hash 1227428144, now seen corresponding path program 6 times [2020-07-07 13:04:03,006 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:04:03,007 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1226528503] [2020-07-07 13:04:03,007 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Garbage collection #1: 17 nodes / 0 free / 0.0s / 0.0s total Resizing node table from 17 to 31 Garbage collection #2: 31 nodes / 0 free / 0.0s / 0.0s total Resizing node table from 31 to 61 Garbage collection #3: 61 nodes / 0 free / 0.0s / 0.0s total Resizing node table from 61 to 113 Garbage collection #4: 113 nodes / 0 free / 0.0s / 0.0s total Resizing node table from 113 to 223 [2020-07-07 13:04:03,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:03,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:03,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:03,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:03,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:03,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:03,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:03,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:03,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:03,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:03,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:03,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:03,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:03,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:03,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:03,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:03,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:03,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:03,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:03,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:03,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:03,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:03,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:03,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:03,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:03,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:03,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:03,548 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2020-07-07 13:04:03,549 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:04:03,549 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1226528503] [2020-07-07 13:04:03,549 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:04:03,549 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-07-07 13:04:03,550 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805814897] [2020-07-07 13:04:03,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-07 13:04:03,550 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:04:03,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-07 13:04:03,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-07-07 13:04:03,551 INFO L87 Difference]: Start difference. First operand 85 states and 104 transitions. Second operand 15 states. [2020-07-07 13:04:03,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:04:03,795 INFO L93 Difference]: Finished difference Result 248 states and 331 transitions. [2020-07-07 13:04:03,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-07 13:04:03,796 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 228 [2020-07-07 13:04:03,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:04:03,801 INFO L225 Difference]: With dead ends: 248 [2020-07-07 13:04:03,801 INFO L226 Difference]: Without dead ends: 242 [2020-07-07 13:04:03,802 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2020-07-07 13:04:03,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2020-07-07 13:04:03,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 218. [2020-07-07 13:04:03,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-07-07 13:04:03,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 295 transitions. [2020-07-07 13:04:03,844 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 295 transitions. Word has length 228 [2020-07-07 13:04:03,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:04:03,846 INFO L479 AbstractCegarLoop]: Abstraction has 218 states and 295 transitions. [2020-07-07 13:04:03,846 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-07 13:04:03,846 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 295 transitions. [2020-07-07 13:04:03,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2020-07-07 13:04:03,855 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:04:03,855 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] [2020-07-07 13:04:03,855 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-07 13:04:03,855 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:04:03,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:04:03,856 INFO L82 PathProgramCache]: Analyzing trace with hash 260846875, now seen corresponding path program 7 times [2020-07-07 13:04:03,856 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:04:03,857 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1845234776] [2020-07-07 13:04:03,857 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Garbage collection #1: 17 nodes / 0 free / 0.0s / 0.0s total Resizing node table from 17 to 31 Garbage collection #2: 31 nodes / 0 free / 0.0s / 0.0s total Resizing node table from 31 to 61 Garbage collection #3: 61 nodes / 0 free / 0.0s / 0.0s total Resizing node table from 61 to 113 Garbage collection #4: 113 nodes / 0 free / 0.0s / 0.0s total Resizing node table from 113 to 223 [2020-07-07 13:04:03,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:03,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:04,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:04,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:04,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:04,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:04,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:04,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:04,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:04,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:04,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:04,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:04,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:04,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:04,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:04,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:04,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:04,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:04,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:04,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:04,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:04,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:04,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:04,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:04,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:04,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:04,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:04,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:04,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:04,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:04,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:04,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:04,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:04,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:04,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:04,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:04,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:04,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:04,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:04,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:04,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:04,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:04,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:04,926 INFO L134 CoverageAnalysis]: Checked inductivity of 1018 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 808 trivial. 0 not checked. [2020-07-07 13:04:04,927 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:04:04,927 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1845234776] [2020-07-07 13:04:04,928 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:04:04,928 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-07-07 13:04:04,928 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495013384] [2020-07-07 13:04:04,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-07 13:04:04,929 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:04:04,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-07 13:04:04,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2020-07-07 13:04:04,930 INFO L87 Difference]: Start difference. First operand 218 states and 295 transitions. Second operand 17 states. [2020-07-07 13:04:05,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:04:05,299 INFO L93 Difference]: Finished difference Result 559 states and 806 transitions. [2020-07-07 13:04:05,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-07 13:04:05,300 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 369 [2020-07-07 13:04:05,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:04:05,311 INFO L225 Difference]: With dead ends: 559 [2020-07-07 13:04:05,311 INFO L226 Difference]: Without dead ends: 553 [2020-07-07 13:04:05,313 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=110, Invalid=196, Unknown=0, NotChecked=0, Total=306 [2020-07-07 13:04:05,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2020-07-07 13:04:05,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 523. [2020-07-07 13:04:05,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 523 states. [2020-07-07 13:04:05,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 763 transitions. [2020-07-07 13:04:05,410 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 763 transitions. Word has length 369 [2020-07-07 13:04:05,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:04:05,411 INFO L479 AbstractCegarLoop]: Abstraction has 523 states and 763 transitions. [2020-07-07 13:04:05,411 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-07 13:04:05,411 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 763 transitions. [2020-07-07 13:04:05,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2020-07-07 13:04:05,430 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:04:05,430 INFO L422 BasicCegarLoop]: trace histogram [67, 67, 54, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 21, 21, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 13:04:05,430 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-07 13:04:05,430 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:04:05,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:04:05,431 INFO L82 PathProgramCache]: Analyzing trace with hash -554586347, now seen corresponding path program 8 times [2020-07-07 13:04:05,431 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:04:05,431 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1407994043] [2020-07-07 13:04:05,431 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Garbage collection #1: 17 nodes / 0 free / 0.0s / 0.0s total Resizing node table from 17 to 31 Garbage collection #2: 31 nodes / 0 free / 0.0s / 0.0s total Resizing node table from 31 to 61 Garbage collection #3: 61 nodes / 0 free / 0.0s / 0.0s total Resizing node table from 61 to 113 Garbage collection #4: 113 nodes / 0 free / 0.0s / 0.0s total Resizing node table from 113 to 223 [2020-07-07 13:04:05,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:05,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:05,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:06,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:06,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:06,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:06,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:06,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:06,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:06,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:06,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:06,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:06,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:06,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:06,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:06,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:06,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:06,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:06,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:06,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:06,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:06,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:06,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:06,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:06,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:06,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:06,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:06,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:06,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:06,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:06,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:06,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:06,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:06,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:06,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:06,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:06,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:06,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:06,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:06,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:06,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:06,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:06,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:07,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:07,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:07,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:07,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:07,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:07,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:07,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:07,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:07,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:07,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:07,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:07,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:07,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:07,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:07,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:07,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:07,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:07,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:07,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:07,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:07,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:07,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:07,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:07,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:07,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:07,588 INFO L134 CoverageAnalysis]: Checked inductivity of 2657 backedges. 0 proven. 360 refuted. 0 times theorem prover too weak. 2297 trivial. 0 not checked. [2020-07-07 13:04:07,588 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:04:07,589 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1407994043] [2020-07-07 13:04:07,589 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:04:07,589 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-07-07 13:04:07,589 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203811192] [2020-07-07 13:04:07,590 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-07 13:04:07,590 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:04:07,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-07 13:04:07,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2020-07-07 13:04:07,591 INFO L87 Difference]: Start difference. First operand 523 states and 763 transitions. Second operand 19 states. [2020-07-07 13:04:08,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:04:08,065 INFO L93 Difference]: Finished difference Result 1224 states and 1887 transitions. [2020-07-07 13:04:08,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-07 13:04:08,066 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 598 [2020-07-07 13:04:08,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:04:08,081 INFO L225 Difference]: With dead ends: 1224 [2020-07-07 13:04:08,081 INFO L226 Difference]: Without dead ends: 1218 [2020-07-07 13:04:08,083 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=137, Invalid=243, Unknown=0, NotChecked=0, Total=380 [2020-07-07 13:04:08,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1218 states. [2020-07-07 13:04:08,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1218 to 1182. [2020-07-07 13:04:08,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1182 states. [2020-07-07 13:04:08,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 1182 states and 1837 transitions. [2020-07-07 13:04:08,210 INFO L78 Accepts]: Start accepts. Automaton has 1182 states and 1837 transitions. Word has length 598 [2020-07-07 13:04:08,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:04:08,211 INFO L479 AbstractCegarLoop]: Abstraction has 1182 states and 1837 transitions. [2020-07-07 13:04:08,211 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-07 13:04:08,211 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 1837 transitions. [2020-07-07 13:04:08,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 969 [2020-07-07 13:04:08,245 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:04:08,245 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] [2020-07-07 13:04:08,246 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-07 13:04:08,246 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:04:08,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:04:08,246 INFO L82 PathProgramCache]: Analyzing trace with hash -668436832, now seen corresponding path program 9 times [2020-07-07 13:04:08,247 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:04:08,247 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1656507603] [2020-07-07 13:04:08,247 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Garbage collection #1: 17 nodes / 0 free / 0.001s / 0.001s total Resizing node table from 17 to 31 Garbage collection #2: 31 nodes / 0 free / 0.0s / 0.001s total Resizing node table from 31 to 61 Garbage collection #3: 61 nodes / 0 free / 0.0s / 0.001s total Resizing node table from 61 to 113 Garbage collection #4: 113 nodes / 0 free / 0.0s / 0.001s total Resizing node table from 113 to 223 [2020-07-07 13:04:08,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:08,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:09,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:09,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:09,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:09,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:09,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:09,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:09,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:10,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:11,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:11,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:11,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:11,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:11,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:11,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:11,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:11,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:11,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:11,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:11,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:11,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:11,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:11,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:11,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:11,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:11,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:11,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:11,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:11,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:11,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:11,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:11,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:11,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:11,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:11,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:11,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:11,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:11,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:11,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:12,362 INFO L134 CoverageAnalysis]: Checked inductivity of 6959 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 6364 trivial. 0 not checked. [2020-07-07 13:04:12,362 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:04:12,362 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1656507603] [2020-07-07 13:04:12,362 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:04:12,363 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2020-07-07 13:04:12,363 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730802564] [2020-07-07 13:04:12,365 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-07-07 13:04:12,365 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:04:12,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-07-07 13:04:12,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=273, Unknown=0, NotChecked=0, Total=420 [2020-07-07 13:04:12,366 INFO L87 Difference]: Start difference. First operand 1182 states and 1837 transitions. Second operand 21 states. [2020-07-07 13:04:12,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:04:12,924 INFO L93 Difference]: Finished difference Result 2607 states and 4268 transitions. [2020-07-07 13:04:12,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-07-07 13:04:12,925 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 968 [2020-07-07 13:04:12,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:04:12,977 INFO L225 Difference]: With dead ends: 2607 [2020-07-07 13:04:12,977 INFO L226 Difference]: Without dead ends: 2601 [2020-07-07 13:04:12,987 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=167, Invalid=295, Unknown=0, NotChecked=0, Total=462 [2020-07-07 13:04:12,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2601 states. [2020-07-07 13:04:13,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2601 to 2559. [2020-07-07 13:04:13,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2559 states. [2020-07-07 13:04:13,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2559 states to 2559 states and 4211 transitions. [2020-07-07 13:04:13,338 INFO L78 Accepts]: Start accepts. Automaton has 2559 states and 4211 transitions. Word has length 968 [2020-07-07 13:04:13,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:04:13,339 INFO L479 AbstractCegarLoop]: Abstraction has 2559 states and 4211 transitions. [2020-07-07 13:04:13,339 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-07-07 13:04:13,339 INFO L276 IsEmpty]: Start isEmpty. Operand 2559 states and 4211 transitions. [2020-07-07 13:04:13,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1568 [2020-07-07 13:04:13,422 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:04:13,423 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] [2020-07-07 13:04:13,423 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-07 13:04:13,424 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:04:13,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:04:13,424 INFO L82 PathProgramCache]: Analyzing trace with hash -1218167635, now seen corresponding path program 10 times [2020-07-07 13:04:13,424 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:04:13,425 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [10847208] [2020-07-07 13:04:13,425 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Garbage collection #1: 17 nodes / 0 free / 0.0s / 0.0s total Resizing node table from 17 to 31 Garbage collection #2: 31 nodes / 0 free / 0.0s / 0.0s total Resizing node table from 31 to 61 Garbage collection #3: 61 nodes / 0 free / 0.0s / 0.0s total Resizing node table from 61 to 113 Garbage collection #4: 113 nodes / 0 free / 0.001s / 0.001s total Resizing node table from 113 to 223 [2020-07-07 13:04:14,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:15,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:16,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:17,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:17,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:18,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:18,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:18,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:18,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:18,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:18,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:18,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:18,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:18,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:18,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:18,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:18,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:18,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:18,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:18,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:18,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:18,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:18,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:18,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:18,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:18,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:18,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:18,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:18,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:18,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:18,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:18,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:18,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:18,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:18,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:18,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:18,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:18,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:18,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:18,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:18,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:18,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:18,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:18,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:19,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:19,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:19,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:19,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:19,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:19,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:19,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:19,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:19,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:19,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:19,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:19,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:19,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:19,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:19,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:19,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:19,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:19,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:19,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:19,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:19,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:19,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:19,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:19,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:19,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:19,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:19,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:19,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:19,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:20,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:20,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:20,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:20,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:20,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:20,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:20,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:20,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:20,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:20,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:20,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:20,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:20,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:20,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:20,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:20,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:20,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:20,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:20,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:20,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:20,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:20,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:20,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:20,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:20,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:20,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:20,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:20,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:20,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:20,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:20,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:20,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:20,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:20,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:20,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:20,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:20,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:20,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:20,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:21,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:21,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:21,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:21,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:21,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:21,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:21,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:21,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:21,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:21,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:21,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:21,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:21,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:21,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:21,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:21,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:21,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:21,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:21,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:21,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:21,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:21,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:21,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:21,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:22,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:22,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:22,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:22,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:22,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:22,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:22,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:22,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:22,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:22,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:22,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:22,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:22,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:22,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:22,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:22,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:22,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:22,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:22,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:22,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:22,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:22,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:22,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:22,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:22,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:22,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:22,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:22,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:22,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:22,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:22,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:22,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:22,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:22,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:22,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:22,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:22,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:22,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:22,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:22,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:28,011 INFO L134 CoverageAnalysis]: Checked inductivity of 18264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18264 trivial. 0 not checked. [2020-07-07 13:04:28,012 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:04:28,012 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [10847208] [2020-07-07 13:04:28,012 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:04:28,012 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2020-07-07 13:04:28,013 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559635569] [2020-07-07 13:04:28,013 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-07-07 13:04:28,014 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:04:28,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-07-07 13:04:28,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=871, Unknown=0, NotChecked=0, Total=930 [2020-07-07 13:04:28,015 INFO L87 Difference]: Start difference. First operand 2559 states and 4211 transitions. Second operand 31 states. [2020-07-07 13:04:31,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:04:31,222 INFO L93 Difference]: Finished difference Result 11579 states and 21294 transitions. [2020-07-07 13:04:31,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2020-07-07 13:04:31,222 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 1567 [2020-07-07 13:04:31,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:04:31,432 INFO L225 Difference]: With dead ends: 11579 [2020-07-07 13:04:31,433 INFO L226 Difference]: Without dead ends: 11573 [2020-07-07 13:04:31,462 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 740 GetRequests, 684 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 338 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=193, Invalid=3113, Unknown=0, NotChecked=0, Total=3306 [2020-07-07 13:04:31,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11573 states. [2020-07-07 13:04:32,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11573 to 2607. [2020-07-07 13:04:32,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2607 states. [2020-07-07 13:04:32,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2607 states to 2607 states and 4345 transitions. [2020-07-07 13:04:32,468 INFO L78 Accepts]: Start accepts. Automaton has 2607 states and 4345 transitions. Word has length 1567 [2020-07-07 13:04:32,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:04:32,471 INFO L479 AbstractCegarLoop]: Abstraction has 2607 states and 4345 transitions. [2020-07-07 13:04:32,471 INFO L480 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-07-07 13:04:32,471 INFO L276 IsEmpty]: Start isEmpty. Operand 2607 states and 4345 transitions. [2020-07-07 13:04:32,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2008 [2020-07-07 13:04:32,527 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:04:32,528 INFO L422 BasicCegarLoop]: trace histogram [227, 227, 183, 113, 113, 113, 113, 113, 113, 113, 113, 113, 113, 70, 70, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 13:04:32,528 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-07-07 13:04:32,528 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:04:32,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:04:32,529 INFO L82 PathProgramCache]: Analyzing trace with hash -1862068070, now seen corresponding path program 11 times [2020-07-07 13:04:32,529 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:04:32,534 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1606822935] [2020-07-07 13:04:32,534 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Garbage collection #1: 17 nodes / 0 free / 0.0s / 0.0s total Resizing node table from 17 to 31 Garbage collection #2: 31 nodes / 0 free / 0.0s / 0.0s total Resizing node table from 31 to 61 Garbage collection #3: 61 nodes / 0 free / 0.0s / 0.0s total Resizing node table from 61 to 113 Garbage collection #4: 113 nodes / 0 free / 0.0s / 0.0s total Resizing node table from 113 to 223 [2020-07-07 13:04:32,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:33,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:33,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:34,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:34,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:34,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:35,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:36,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:36,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:36,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:36,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:36,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:36,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:36,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:36,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:36,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:36,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:36,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:36,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:36,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:36,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:36,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:36,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:36,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:36,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:36,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:36,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:36,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:37,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:41,370 INFO L134 CoverageAnalysis]: Checked inductivity of 27452 backedges. 289 proven. 1751 refuted. 0 times theorem prover too weak. 25412 trivial. 0 not checked. [2020-07-07 13:04:41,370 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:04:41,370 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1606822935] [2020-07-07 13:04:41,371 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:04:41,371 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2020-07-07 13:04:41,371 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954242230] [2020-07-07 13:04:41,373 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-07-07 13:04:41,373 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:04:41,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-07-07 13:04:41,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=541, Unknown=0, NotChecked=0, Total=702 [2020-07-07 13:04:41,374 INFO L87 Difference]: Start difference. First operand 2607 states and 4345 transitions. Second operand 27 states. [2020-07-07 13:04:42,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:04:42,317 INFO L93 Difference]: Finished difference Result 2847 states and 4890 transitions. [2020-07-07 13:04:42,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-07-07 13:04:42,318 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 2007 [2020-07-07 13:04:42,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:04:42,327 INFO L225 Difference]: With dead ends: 2847 [2020-07-07 13:04:42,327 INFO L226 Difference]: Without dead ends: 250 [2020-07-07 13:04:42,360 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 519 GetRequests, 470 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 714 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=621, Invalid=1929, Unknown=0, NotChecked=0, Total=2550 [2020-07-07 13:04:42,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2020-07-07 13:04:42,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 189. [2020-07-07 13:04:42,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-07-07 13:04:42,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 299 transitions. [2020-07-07 13:04:42,380 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 299 transitions. Word has length 2007 [2020-07-07 13:04:42,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:04:42,382 INFO L479 AbstractCegarLoop]: Abstraction has 189 states and 299 transitions. [2020-07-07 13:04:42,382 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-07-07 13:04:42,382 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 299 transitions. [2020-07-07 13:04:42,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1991 [2020-07-07 13:04:42,417 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:04:42,418 INFO L422 BasicCegarLoop]: trace histogram [225, 225, 182, 112, 112, 112, 112, 112, 112, 112, 112, 112, 112, 70, 70, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 13:04:42,418 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-07-07 13:04:42,418 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:04:42,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:04:42,419 INFO L82 PathProgramCache]: Analyzing trace with hash 1056733570, now seen corresponding path program 12 times [2020-07-07 13:04:42,419 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:04:42,419 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1734309064] [2020-07-07 13:04:42,419 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Garbage collection #1: 17 nodes / 0 free / 0.0s / 0.0s total Resizing node table from 17 to 31 Garbage collection #2: 31 nodes / 0 free / 0.0s / 0.0s total Resizing node table from 31 to 61 Garbage collection #3: 61 nodes / 0 free / 0.0s / 0.0s total Resizing node table from 61 to 113 Garbage collection #4: 113 nodes / 0 free / 0.0s / 0.0s total Resizing node table from 113 to 223 [2020-07-07 13:04:42,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:43,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:44,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:44,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:45,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:46,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:46,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:46,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:46,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:46,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:46,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:46,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:46,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:46,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:46,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:46,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:46,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:46,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:46,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:46,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:46,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:46,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:46,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:46,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:46,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:47,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:50,885 INFO L134 CoverageAnalysis]: Checked inductivity of 33302 backedges. 376 proven. 1477 refuted. 0 times theorem prover too weak. 31449 trivial. 0 not checked. [2020-07-07 13:04:50,886 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:04:50,886 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1734309064] [2020-07-07 13:04:50,886 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:04:50,887 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2020-07-07 13:04:50,887 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662760552] [2020-07-07 13:04:50,888 INFO L459 AbstractCegarLoop]: Interpolant automaton has 37 states [2020-07-07 13:04:50,889 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:04:50,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2020-07-07 13:04:50,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=1056, Unknown=0, NotChecked=0, Total=1332 [2020-07-07 13:04:50,890 INFO L87 Difference]: Start difference. First operand 189 states and 299 transitions. Second operand 37 states. [2020-07-07 13:04:52,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:04:52,129 INFO L93 Difference]: Finished difference Result 407 states and 840 transitions. [2020-07-07 13:04:52,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-07-07 13:04:52,130 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 1990 [2020-07-07 13:04:52,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:04:52,136 INFO L225 Difference]: With dead ends: 407 [2020-07-07 13:04:52,136 INFO L226 Difference]: Without dead ends: 228 [2020-07-07 13:04:52,141 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 522 GetRequests, 454 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1440 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=892, Invalid=3938, Unknown=0, NotChecked=0, Total=4830 [2020-07-07 13:04:52,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2020-07-07 13:04:52,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 191. [2020-07-07 13:04:52,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2020-07-07 13:04:52,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 267 transitions. [2020-07-07 13:04:52,157 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 267 transitions. Word has length 1990 [2020-07-07 13:04:52,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:04:52,158 INFO L479 AbstractCegarLoop]: Abstraction has 191 states and 267 transitions. [2020-07-07 13:04:52,158 INFO L480 AbstractCegarLoop]: Interpolant automaton has 37 states. [2020-07-07 13:04:52,158 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 267 transitions. [2020-07-07 13:04:52,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1938 [2020-07-07 13:04:52,189 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:04:52,189 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] [2020-07-07 13:04:52,190 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-07-07 13:04:52,190 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:04:52,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:04:52,191 INFO L82 PathProgramCache]: Analyzing trace with hash -2025789310, now seen corresponding path program 13 times [2020-07-07 13:04:52,192 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:04:52,192 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [789982287] [2020-07-07 13:04:52,192 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Garbage collection #1: 17 nodes / 0 free / 0.0s / 0.0s total Resizing node table from 17 to 31 Garbage collection #2: 31 nodes / 0 free / 0.0s / 0.0s total Resizing node table from 31 to 61 Garbage collection #3: 61 nodes / 0 free / 0.0s / 0.0s total Resizing node table from 61 to 113 Garbage collection #4: 113 nodes / 0 free / 0.0s / 0.0s total Resizing node table from 113 to 223 [2020-07-07 13:04:52,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:53,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:53,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:54,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:54,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:54,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:55,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:56,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:56,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:56,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:56,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:56,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:56,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:56,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:56,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:56,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:56,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:56,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:56,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:56,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:56,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:56,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:56,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:56,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:56,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:56,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:56,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:56,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:56,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:56,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:56,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:56,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:56,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:56,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:56,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:56,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:56,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:56,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:56,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:56,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:56,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:56,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:56,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:56,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:56,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:56,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:56,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:57,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:57,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:57,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:57,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:57,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:57,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:57,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:57,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:57,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:57,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:57,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:57,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:57,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:57,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:57,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:57,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:57,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:57,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:57,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:57,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:57,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:57,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:57,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:57,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:57,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:57,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:57,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:58,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:58,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:58,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:58,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:58,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:58,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:58,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:58,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:58,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:58,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:58,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:58,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:58,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:58,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:58,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:58,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:58,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:58,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:58,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:58,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:58,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:58,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:58,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:58,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:58,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:58,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:58,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:58,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:58,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:58,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:58,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:58,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:58,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:58,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:58,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:58,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:58,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:58,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:04:58,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:00,701 INFO L134 CoverageAnalysis]: Checked inductivity of 30106 backedges. 518 proven. 1208 refuted. 0 times theorem prover too weak. 28380 trivial. 0 not checked. [2020-07-07 13:05:00,702 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:05:00,702 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [789982287] [2020-07-07 13:05:00,702 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:05:00,703 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2020-07-07 13:05:00,703 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273698843] [2020-07-07 13:05:00,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-07-07 13:05:00,704 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:05:00,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-07-07 13:05:00,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=793, Unknown=0, NotChecked=0, Total=992 [2020-07-07 13:05:00,705 INFO L87 Difference]: Start difference. First operand 191 states and 267 transitions. Second operand 32 states. [2020-07-07 13:05:01,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:05:01,579 INFO L93 Difference]: Finished difference Result 395 states and 570 transitions. [2020-07-07 13:05:01,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-07-07 13:05:01,580 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 1937 [2020-07-07 13:05:01,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:05:01,584 INFO L225 Difference]: With dead ends: 395 [2020-07-07 13:05:01,584 INFO L226 Difference]: Without dead ends: 214 [2020-07-07 13:05:01,587 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 489 GetRequests, 443 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 574 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=437, Invalid=1819, Unknown=0, NotChecked=0, Total=2256 [2020-07-07 13:05:01,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2020-07-07 13:05:01,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 167. [2020-07-07 13:05:01,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2020-07-07 13:05:01,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 226 transitions. [2020-07-07 13:05:01,600 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 226 transitions. Word has length 1937 [2020-07-07 13:05:01,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:05:01,602 INFO L479 AbstractCegarLoop]: Abstraction has 167 states and 226 transitions. [2020-07-07 13:05:01,602 INFO L480 AbstractCegarLoop]: Interpolant automaton has 32 states. [2020-07-07 13:05:01,602 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 226 transitions. [2020-07-07 13:05:01,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2537 [2020-07-07 13:05:01,651 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:05:01,653 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] [2020-07-07 13:05:01,653 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-07-07 13:05:01,653 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:05:01,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:05:01,654 INFO L82 PathProgramCache]: Analyzing trace with hash 899536051, now seen corresponding path program 14 times [2020-07-07 13:05:01,654 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:05:01,654 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [56668341] [2020-07-07 13:05:01,654 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Garbage collection #1: 17 nodes / 0 free / 0.0s / 0.0s total Resizing node table from 17 to 31 Garbage collection #2: 31 nodes / 0 free / 0.0s / 0.0s total Resizing node table from 31 to 61 Garbage collection #3: 61 nodes / 0 free / 0.0s / 0.0s total Resizing node table from 61 to 113 Garbage collection #4: 113 nodes / 0 free / 0.0s / 0.0s total Resizing node table from 113 to 223 [2020-07-07 13:05:01,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:03,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:04,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:05,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:06,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:07,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:08,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:08,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:09,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:05:13,716 INFO L134 CoverageAnalysis]: Checked inductivity of 52523 backedges. 8 proven. 993 refuted. 0 times theorem prover too weak. 51522 trivial. 0 not checked. [2020-07-07 13:05:13,717 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:05:13,717 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [56668341] [2020-07-07 13:05:13,717 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:05:13,718 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2020-07-07 13:05:13,718 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509911579] [2020-07-07 13:05:13,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-07 13:05:13,720 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:05:13,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-07 13:05:13,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=297, Unknown=0, NotChecked=0, Total=462 [2020-07-07 13:05:13,721 INFO L87 Difference]: Start difference. First operand 167 states and 226 transitions. Second operand 22 states. [2020-07-07 13:05:14,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:05:14,131 INFO L93 Difference]: Finished difference Result 335 states and 476 transitions. [2020-07-07 13:05:14,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-07 13:05:14,131 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 2536 [2020-07-07 13:05:14,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:05:14,134 INFO L225 Difference]: With dead ends: 335 [2020-07-07 13:05:14,135 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 13:05:14,138 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 598 GetRequests, 577 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=179, Invalid=327, Unknown=0, NotChecked=0, Total=506 [2020-07-07 13:05:14,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 13:05:14,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 13:05:14,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 13:05:14,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 13:05:14,139 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2536 [2020-07-07 13:05:14,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:05:14,139 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 13:05:14,139 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-07 13:05:14,139 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 13:05:14,140 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 13:05:14,140 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-07-07 13:05:14,149 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 13:05:19,515 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 84 [2020-07-07 13:05:20,295 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 71 [2020-07-07 13:05:21,530 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 208 DAG size of output: 108 [2020-07-07 13:05:21,730 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 6 [2020-07-07 13:05:21,892 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 3 [2020-07-07 13:05:22,734 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 85 [2020-07-07 13:05:23,659 WARN L193 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 85 [2020-07-07 13:05:24,440 WARN L193 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 84 [2020-07-07 13:05:25,389 WARN L193 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 62 [2020-07-07 13:05:25,498 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 10 [2020-07-07 13:05:26,477 WARN L193 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 67 [2020-07-07 13:05:26,590 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 6 [2020-07-07 13:05:26,595 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-07-07 13:05:26,595 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-07-07 13:05:26,595 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-07-07 13:05:26,595 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-07 13:05:26,595 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 13:05:26,595 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-07-07 13:05:26,596 INFO L264 CegarLoopResult]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 27) the Hoare annotation is: false [2020-07-07 13:05:26,596 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 23 30) the Hoare annotation is: true [2020-07-07 13:05:26,596 INFO L264 CegarLoopResult]: At program point L27(line 27) the Hoare annotation is: false [2020-07-07 13:05:26,596 INFO L264 CegarLoopResult]: At program point L26(lines 26 28) the Hoare annotation is: (and (<= main_~result~0 55) (<= 10 main_~x~0) (<= 55 main_~result~0)) [2020-07-07 13:05:26,596 INFO L264 CegarLoopResult]: At program point L25(line 25) the Hoare annotation is: (and (<= main_~x~0 10) (<= 10 main_~x~0)) [2020-07-07 13:05:26,596 INFO L264 CegarLoopResult]: At program point mainEXIT(lines 23 30) the Hoare annotation is: (<= 10 main_~x~0) [2020-07-07 13:05:26,597 INFO L264 CegarLoopResult]: At program point L25-1(line 25) the Hoare annotation is: (and (<= 55 |main_#t~ret2|) (<= 10 main_~x~0) (<= |main_#t~ret2| 55)) [2020-07-07 13:05:26,597 INFO L264 CegarLoopResult]: At program point L26-2(lines 26 28) the Hoare annotation is: (<= 10 main_~x~0) [2020-07-07 13:05:26,597 INFO L264 CegarLoopResult]: At program point L25-2(line 25) the Hoare annotation is: (and (<= 55 |main_#t~ret2|) (<= 10 main_~x~0) (<= |main_#t~ret2| 55)) [2020-07-07 13:05:26,597 INFO L264 CegarLoopResult]: At program point L25-3(line 25) the Hoare annotation is: (and (<= 55 |main_#t~ret2|) (<= main_~result~0 55) (<= 10 main_~x~0) (<= 55 main_~result~0) (<= |main_#t~ret2| 55)) [2020-07-07 13:05:26,597 INFO L264 CegarLoopResult]: At program point mainFINAL(lines 23 30) the Hoare annotation is: (<= 10 main_~x~0) [2020-07-07 13:05:26,597 INFO L264 CegarLoopResult]: At program point fiboEXIT(lines 5 13) the Hoare annotation is: (let ((.cse1 (<= |fibo_#res| 1)) (.cse2 (<= 1 |fibo_#res|)) (.cse0 (= fibo_~n |fibo_#in~n|))) (and (or (and (<= 0 |fibo_#res|) (<= |fibo_#res| 0)) (< 0 fibo_~n)) (or (and .cse0 .cse1 .cse2) (not (<= |fibo_#in~n| 1)) (and .cse0 (<= |fibo_#in~n| 0))) (or (not (<= |fibo_#in~n| 3)) (and (<= 2 |fibo_#res|) .cse0 (<= 3 fibo_~n) (<= |fibo_#res| 2)) (not (<= 2 |fibo_#in~n|)) (and .cse0 .cse1 (<= fibo_~n 2) .cse2)) (or (and (<= fibo_~n 6) (<= |fibo_#res| 8) (<= 6 fibo_~n) .cse0 (<= 8 |fibo_#res|)) (and .cse0 (<= 13 |fibo_#res|) (<= 7 fibo_~n) (<= fibo_~n 7) (<= |fibo_#res| 13)) (and .cse0 (<= 21 |fibo_#res|) (<= fibo_~n 8) (<= 8 fibo_~n) (<= |fibo_#res| 21)) (and .cse0 (<= fibo_~n 4) (<= |fibo_#res| 3) (<= 3 |fibo_#res|)) (and (<= |fibo_#res| 34) .cse0 (<= fibo_~n 9) (<= 9 fibo_~n) (<= 34 |fibo_#res|)) (and .cse0 (<= 11 fibo_~n)) (and (<= 5 |fibo_#res|) .cse0 (<= |fibo_#res| 5) (<= 5 fibo_~n) (<= fibo_~n 5)) (not (<= 4 |fibo_#in~n|)) (and (<= 10 fibo_~n) .cse0 (<= 55 |fibo_#res|) (<= |fibo_#res| 55))))) [2020-07-07 13:05:26,598 INFO L264 CegarLoopResult]: At program point fiboFINAL(lines 5 13) the Hoare annotation is: (let ((.cse1 (<= |fibo_#res| 1)) (.cse2 (<= 1 |fibo_#res|)) (.cse0 (= fibo_~n |fibo_#in~n|))) (and (or (and (<= 0 |fibo_#res|) (<= |fibo_#res| 0)) (< 0 fibo_~n)) (or (and .cse0 .cse1 .cse2) (not (<= |fibo_#in~n| 1)) (and .cse0 (<= |fibo_#in~n| 0))) (or (not (<= |fibo_#in~n| 3)) (and (<= 2 |fibo_#res|) .cse0 (<= 3 fibo_~n) (<= |fibo_#res| 2)) (not (<= 2 |fibo_#in~n|)) (and .cse0 .cse1 (<= fibo_~n 2) .cse2)) (or (and (<= fibo_~n 6) (<= |fibo_#res| 8) (<= 6 fibo_~n) .cse0 (<= 8 |fibo_#res|)) (and .cse0 (<= 13 |fibo_#res|) (<= 7 fibo_~n) (<= fibo_~n 7) (<= |fibo_#res| 13)) (and .cse0 (<= 21 |fibo_#res|) (<= fibo_~n 8) (<= 8 fibo_~n) (<= |fibo_#res| 21)) (and .cse0 (<= fibo_~n 4) (<= |fibo_#res| 3) (<= 3 |fibo_#res|)) (and (<= |fibo_#res| 34) .cse0 (<= fibo_~n 9) (<= 9 fibo_~n) (<= 34 |fibo_#res|)) (and .cse0 (<= 11 fibo_~n)) (and (<= 5 |fibo_#res|) .cse0 (<= |fibo_#res| 5) (<= 5 fibo_~n) (<= fibo_~n 5)) (not (<= 4 |fibo_#in~n|)) (and (<= 10 fibo_~n) .cse0 (<= 55 |fibo_#res|) (<= |fibo_#res| 55))))) [2020-07-07 13:05:26,598 INFO L264 CegarLoopResult]: At program point L11(line 11) the Hoare annotation is: (and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n)) [2020-07-07 13:05:26,598 INFO L264 CegarLoopResult]: At program point L11-1(line 11) the Hoare annotation is: (let ((.cse0 (= fibo_~n |fibo_#in~n|))) (let ((.cse1 (and (<= 3 |fibo_#t~ret0|) .cse0 (<= 5 fibo_~n) (<= |fibo_#t~ret0| 3) (<= fibo_~n 5))) (.cse2 (and .cse0 (<= |fibo_#t~ret0| 8) (<= 7 fibo_~n) (<= fibo_~n 7) (<= 8 |fibo_#t~ret0|))) (.cse3 (and .cse0 (<= 11 fibo_~n))) (.cse4 (and .cse0 (<= fibo_~n 8) (<= 8 fibo_~n) (<= |fibo_#t~ret0| 13) (<= 13 |fibo_#t~ret0|))) (.cse5 (and (<= 34 |fibo_#t~ret0|) (<= 10 fibo_~n) .cse0 (<= fibo_~n 10) (<= |fibo_#t~ret0| 34))) (.cse6 (and .cse0 (<= fibo_~n 9) (<= 21 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 21) (<= 9 fibo_~n))) (.cse7 (and (<= 5 |fibo_#t~ret0|) (<= fibo_~n 6) (<= 6 fibo_~n) (<= |fibo_#t~ret0| 5) .cse0))) (and .cse0 (or (not (<= 5 |fibo_#in~n|)) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (let ((.cse8 (<= 1 |fibo_#t~ret0|)) (.cse9 (<= |fibo_#t~ret0| 1))) (or .cse1 (and .cse8 .cse9 (<= fibo_~n 3) (<= 3 fibo_~n)) (and (<= 4 |fibo_#in~n|) (<= |fibo_#t~ret0| 2) (<= 2 |fibo_#t~ret0|)) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (and .cse8 .cse9 (< 1 fibo_~n) (<= fibo_~n 2))))))) [2020-07-07 13:05:26,598 INFO L264 CegarLoopResult]: At program point L9(line 9) the Hoare annotation is: (and (= fibo_~n |fibo_#in~n|) (not (<= 2 |fibo_#in~n|)) (<= 1 fibo_~n)) [2020-07-07 13:05:26,598 INFO L264 CegarLoopResult]: At program point L11-2(line 11) the Hoare annotation is: (let ((.cse0 (<= 4 |fibo_#in~n|))) (and (or .cse0 (and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1) (< 1 fibo_~n))) (or (and (<= fibo_~n 8) (<= 8 fibo_~n) (<= |fibo_#t~ret0| 13) (<= 13 |fibo_#t~ret0|)) (and (<= 3 |fibo_#t~ret0|) (<= 5 fibo_~n) (<= |fibo_#t~ret0| 3) (<= fibo_~n 5)) (and (<= fibo_~n 4) (<= |fibo_#t~ret0| 2) (<= 2 |fibo_#t~ret0|)) (and (<= fibo_~n 9) (<= 21 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 21) (<= 9 fibo_~n)) (and (<= |fibo_#t~ret0| 8) (<= 7 fibo_~n) (<= fibo_~n 7) (<= 8 |fibo_#t~ret0|)) (and (<= 34 |fibo_#t~ret0|) (<= 10 fibo_~n) (<= |fibo_#t~ret0| 34)) (not .cse0) (and (<= 5 |fibo_#t~ret0|) (<= fibo_~n 6) (<= 6 fibo_~n) (<= |fibo_#t~ret0| 5)) (<= 11 fibo_~n)) (= fibo_~n |fibo_#in~n|))) [2020-07-07 13:05:26,599 INFO L264 CegarLoopResult]: At program point L8(lines 8 12) the Hoare annotation is: (and (= fibo_~n |fibo_#in~n|) (<= 1 fibo_~n)) [2020-07-07 13:05:26,599 INFO L264 CegarLoopResult]: At program point L11-3(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|))) (or (and (<= 5 |fibo_#t~ret0|) (<= fibo_~n 6) (<= 6 fibo_~n) (<= |fibo_#t~ret0| 5) .cse0 (<= .cse1 8) (<= 8 .cse1)) (and (<= 5 .cse1) (<= 3 |fibo_#t~ret0|) .cse0 (<= 5 fibo_~n) (<= |fibo_#t~ret0| 3) (<= .cse1 5) (<= fibo_~n 5)) (and .cse0 (<= .cse1 34) (<= fibo_~n 9) (<= 21 |fibo_#t~ret0|) (<= 34 .cse1) (<= |fibo_#t~ret0| 21) (<= 9 fibo_~n)) (and (<= .cse1 13) .cse0 (<= |fibo_#t~ret0| 8) (<= 7 fibo_~n) (<= fibo_~n 7) (<= 13 .cse1) (<= 8 |fibo_#t~ret0|)) (and .cse0 (<= 21 .cse1) (<= fibo_~n 8) (<= 8 fibo_~n) (<= |fibo_#t~ret0| 13) (<= 13 |fibo_#t~ret0|) (<= .cse1 21)) (and .cse2 .cse3 .cse0 (<= 2 .cse1) (<= fibo_~n 3) (<= 3 fibo_~n) (<= .cse1 2)) (and .cse0 (<= 11 fibo_~n)) (and .cse0 (<= 3 .cse1) (<= .cse1 3) (<= fibo_~n 4) (<= |fibo_#t~ret0| 2) (<= 2 |fibo_#t~ret0|) (<= 4 fibo_~n)) (and (<= 34 |fibo_#t~ret0|) (<= 10 fibo_~n) .cse0 (<= |fibo_#t~ret0| 34) (<= 55 .cse1) (<= .cse1 55)) (and (<= .cse1 1) .cse2 (<= 1 .cse1) .cse3 .cse0 (< 1 fibo_~n) (<= fibo_~n 2)))) [2020-07-07 13:05:26,599 INFO L264 CegarLoopResult]: At program point L7(line 7) the Hoare annotation is: (and (= fibo_~n |fibo_#in~n|) (<= |fibo_#in~n| 0)) [2020-07-07 13:05:26,599 INFO L264 CegarLoopResult]: At program point L11-4(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|))) (or (and (<= 5 |fibo_#t~ret0|) (<= fibo_~n 6) (<= 6 fibo_~n) (<= |fibo_#t~ret0| 5) .cse0 (<= .cse1 8) (<= 8 .cse1)) (and (<= 5 .cse1) (<= 3 |fibo_#t~ret0|) .cse0 (<= 5 fibo_~n) (<= |fibo_#t~ret0| 3) (<= .cse1 5) (<= fibo_~n 5)) (and .cse0 (<= .cse1 34) (<= fibo_~n 9) (<= 21 |fibo_#t~ret0|) (<= 34 .cse1) (<= |fibo_#t~ret0| 21) (<= 9 fibo_~n)) (and (<= .cse1 13) .cse0 (<= |fibo_#t~ret0| 8) (<= 7 fibo_~n) (<= fibo_~n 7) (<= 13 .cse1) (<= 8 |fibo_#t~ret0|)) (and .cse0 (<= 21 .cse1) (<= fibo_~n 8) (<= 8 fibo_~n) (<= |fibo_#t~ret0| 13) (<= 13 |fibo_#t~ret0|) (<= .cse1 21)) (and .cse2 .cse3 .cse0 (<= 2 .cse1) (<= fibo_~n 3) (<= 3 fibo_~n) (<= .cse1 2)) (and .cse0 (<= 11 fibo_~n)) (and .cse0 (<= 3 .cse1) (<= .cse1 3) (<= fibo_~n 4) (<= |fibo_#t~ret0| 2) (<= 2 |fibo_#t~ret0|) (<= 4 fibo_~n)) (and (<= 34 |fibo_#t~ret0|) (<= 10 fibo_~n) .cse0 (<= |fibo_#t~ret0| 34) (<= 55 .cse1) (<= .cse1 55)) (and (<= .cse1 1) .cse2 (<= 1 .cse1) .cse3 .cse0 (< 1 fibo_~n) (<= fibo_~n 2)))) [2020-07-07 13:05:26,599 INFO L264 CegarLoopResult]: At program point L6(lines 6 12) the Hoare annotation is: (= fibo_~n |fibo_#in~n|) [2020-07-07 13:05:26,600 INFO L264 CegarLoopResult]: At program point L11-5(line 11) the Hoare annotation is: (let ((.cse2 (= fibo_~n |fibo_#in~n|)) (.cse4 (+ |fibo_#t~ret0| |fibo_#t~ret1|))) (let ((.cse0 (and (<= |fibo_#res| 34) .cse2 (<= fibo_~n 9) (<= 21 |fibo_#t~ret0|) (<= 34 .cse4) (<= .cse4 34) (<= |fibo_#t~ret0| 21) (<= 9 fibo_~n) (<= 34 |fibo_#res|))) (.cse1 (and (<= 34 |fibo_#t~ret0|) (<= 10 fibo_~n) .cse2 (<= |fibo_#t~ret0| 34) (<= 55 .cse4) (<= .cse4 55) (<= 55 |fibo_#res|) (<= |fibo_#res| 55))) (.cse3 (and .cse2 (<= 11 fibo_~n)))) (and (not (<= |fibo_#in~n| 1)) (or .cse0 .cse1 (and .cse2 (<= fibo_~n 8)) .cse3) (let ((.cse5 (<= 1 |fibo_#t~ret0|)) (.cse6 (<= |fibo_#t~ret0| 1))) (or .cse0 .cse1 (and (<= 3 .cse4) (<= .cse4 3) (<= fibo_~n 4) (<= |fibo_#t~ret0| 2) (<= |fibo_#res| 3) (<= 2 |fibo_#t~ret0|) (<= 3 |fibo_#res|) (<= 4 fibo_~n)) (and (<= .cse4 13) (<= |fibo_#t~ret0| 8) (<= 13 |fibo_#res|) (<= 7 fibo_~n) (<= fibo_~n 7) (<= 13 .cse4) (<= |fibo_#res| 13) (<= 8 |fibo_#t~ret0|)) .cse3 (and (<= .cse4 1) .cse5 (<= 1 .cse4) .cse6 (<= |fibo_#res| 1) (<= fibo_~n 2) (<= 1 |fibo_#res|)) (and (<= 21 .cse4) (<= 21 |fibo_#res|) (<= |fibo_#t~ret0| 13) (<= 8 fibo_~n) (<= |fibo_#res| 21) (<= 13 |fibo_#t~ret0|) (<= .cse4 21)) (and (<= 5 |fibo_#res|) (<= 5 .cse4) (<= 3 |fibo_#t~ret0|) (<= |fibo_#res| 5) (<= 5 fibo_~n) (<= |fibo_#t~ret0| 3) (<= .cse4 5) (<= fibo_~n 5)) (and (<= 5 |fibo_#t~ret0|) (<= fibo_~n 6) (<= |fibo_#res| 8) (<= 6 fibo_~n) (<= |fibo_#t~ret0| 5) (<= 8 |fibo_#res|) (<= .cse4 8) (<= 8 .cse4)) (and .cse5 (<= 2 |fibo_#res|) .cse6 (<= 2 .cse4) (<= fibo_~n 3) (<= 3 fibo_~n) (<= .cse4 2) (<= |fibo_#res| 2))))))) [2020-07-07 13:05:26,600 INFO L271 CegarLoopResult]: At program point fiboENTRY(lines 5 13) the Hoare annotation is: true [2020-07-07 13:05:26,600 INFO L264 CegarLoopResult]: At program point L11-6(line 11) the Hoare annotation is: (let ((.cse3 (= fibo_~n |fibo_#in~n|))) (let ((.cse0 (and (<= 10 fibo_~n) .cse3 (<= fibo_~n 10) (<= 55 |fibo_#res|) (<= |fibo_#res| 55))) (.cse1 (and (<= |fibo_#res| 34) .cse3 (<= fibo_~n 9) (<= 9 fibo_~n) (<= 34 |fibo_#res|))) (.cse2 (and .cse3 (<= 11 fibo_~n)))) (and (or (and (<= 5 |fibo_#res|) (<= |fibo_#res| 5) (<= 5 fibo_~n) (<= fibo_~n 5)) .cse0 (and (<= 2 |fibo_#res|) (<= fibo_~n 3) (<= 3 fibo_~n) (<= |fibo_#res| 2)) (and (<= 13 |fibo_#res|) (<= 7 fibo_~n) (<= fibo_~n 7) (<= |fibo_#res| 13)) .cse1 .cse2 (and (< 1 fibo_~n) (<= |fibo_#res| 1) (<= fibo_~n 2) (<= 1 |fibo_#res|)) (and (<= fibo_~n 4) (<= |fibo_#res| 3) (<= 3 |fibo_#res|) (<= 4 fibo_~n)) (and (<= 21 |fibo_#res|) (<= 8 fibo_~n) (<= |fibo_#res| 21)) (and (<= fibo_~n 6) (<= |fibo_#res| 8) (<= 6 fibo_~n) (<= 8 |fibo_#res|))) (or .cse0 .cse1 (and .cse3 (<= fibo_~n 8)) .cse2)))) [2020-07-07 13:05:26,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 01:05:26 BoogieIcfgContainer [2020-07-07 13:05:26,633 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 13:05:26,640 INFO L168 Benchmark]: Toolchain (without parser) took 88159.49 ms. Allocated memory was 143.1 MB in the beginning and 2.7 GB in the end (delta: 2.6 GB). Free memory was 100.7 MB in the beginning and 2.2 GB in the end (delta: -2.0 GB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. [2020-07-07 13:05:26,641 INFO L168 Benchmark]: CDTParser took 0.87 ms. Allocated memory is still 143.1 MB. Free memory was 118.4 MB in the beginning and 118.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-07 13:05:26,642 INFO L168 Benchmark]: CACSL2BoogieTranslator took 237.44 ms. Allocated memory is still 143.1 MB. Free memory was 100.4 MB in the beginning and 91.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2020-07-07 13:05:26,644 INFO L168 Benchmark]: Boogie Preprocessor took 29.37 ms. Allocated memory is still 143.1 MB. Free memory was 91.1 MB in the beginning and 89.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-07-07 13:05:26,646 INFO L168 Benchmark]: RCFGBuilder took 369.37 ms. Allocated memory was 143.1 MB in the beginning and 203.4 MB in the end (delta: 60.3 MB). Free memory was 89.7 MB in the beginning and 170.7 MB in the end (delta: -81.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2020-07-07 13:05:26,647 INFO L168 Benchmark]: TraceAbstraction took 87515.13 ms. Allocated memory was 203.4 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 170.7 MB in the beginning and 2.2 GB in the end (delta: -2.0 GB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. [2020-07-07 13:05:26,652 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.87 ms. Allocated memory is still 143.1 MB. Free memory was 118.4 MB in the beginning and 118.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 237.44 ms. Allocated memory is still 143.1 MB. Free memory was 100.4 MB in the beginning and 91.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 29.37 ms. Allocated memory is still 143.1 MB. Free memory was 91.1 MB in the beginning and 89.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 369.37 ms. Allocated memory was 143.1 MB in the beginning and 203.4 MB in the end (delta: 60.3 MB). Free memory was 89.7 MB in the beginning and 170.7 MB in the end (delta: -81.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 87515.13 ms. Allocated memory was 203.4 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 170.7 MB in the beginning and 2.2 GB in the end (delta: -2.0 GB). Peak memory consumption was 2.7 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: ((((0 <= \result && \result <= 0) || 0 < n) && ((((n == \old(n) && \result <= 1) && 1 <= \result) || !(\old(n) <= 1)) || (n == \old(n) && \old(n) <= 0))) && (((!(\old(n) <= 3) || (((2 <= \result && n == \old(n)) && 3 <= n) && \result <= 2)) || !(2 <= \old(n))) || (((n == \old(n) && \result <= 1) && n <= 2) && 1 <= \result))) && ((((((((((((n <= 6 && \result <= 8) && 6 <= n) && n == \old(n)) && 8 <= \result) || ((((n == \old(n) && 13 <= \result) && 7 <= n) && n <= 7) && \result <= 13)) || ((((n == \old(n) && 21 <= \result) && n <= 8) && 8 <= n) && \result <= 21)) || (((n == \old(n) && n <= 4) && \result <= 3) && 3 <= \result)) || ((((\result <= 34 && n == \old(n)) && n <= 9) && 9 <= n) && 34 <= \result)) || (n == \old(n) && 11 <= n)) || ((((5 <= \result && n == \old(n)) && \result <= 5) && 5 <= n) && n <= 5)) || !(4 <= \old(n))) || (((10 <= n && n == \old(n)) && 55 <= \result) && \result <= 55)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 74.9s, OverallIterations: 17, TraceHistogramMax: 287, AutomataDifference: 10.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 755 SDtfs, 2276 SDslu, 5152 SDs, 0 SdLazy, 6589 SolverSat, 2074 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3657 GetRequests, 3264 SyntacticMatches, 0 SemanticMatches, 393 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3763 ImplicationChecksByTransitivity, 5.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2607occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.8s AutomataMinimizationTime, 17 MinimizatonAttempts, 9273 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 7983 PreInvPairs, 11900 NumberOfFragments, 1845 HoareAnnotationTreeSize, 7983 FomulaSimplifications, 84215 FormulaSimplificationTreeSizeReduction, 4.4s HoareSimplificationTime, 31 FomulaSimplificationsInter, 32468 FormulaSimplificationTreeSizeReductionInter, 7.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, 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...